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Actress Sigourney Weaver grabs Jay Leno's face as she describes her new movie, "Alien 3" on the "Tonight Show," May 26, 1992 in Burbank, Calif. (AP Photo/Sam Jones) ( Leno Show 1992 )

LENO SHOW 1993 "Tonight Show" host Jay Leno gestures during a comedy sketch after a joke went wrong and said "I don't care if you don't laugh. I got the job. I guess we start renegotiating that contract tomorrow," during the taping of the show in Burbank, Calif., Jan 14, 1993. (AP Photo/Kevork Djansezian) ( Leno Show 1993 )

Jay Leno holds up a sign congratulating him on the inauguration of "The Tonight Show with Jay Leno," outside the NBC Studios in Burbank, Calif., May 25, 1992. A fan from Palo Alto, Calif., made the sign and presented it to Leno while waiting in line to see the first show Monday night. Leno took over as host of the show after Johnny Carson retired. (AP Photo/Kevork Djansezian) ( Lenos First Tonight Show 1992 )

Jay Leno gestures during the opening monologue at the inauguration of "The Tonight Show with Jay Leno" which was broadcast live on the east coast from NBC Studios in Burbank, Calif., May 25, 1992. The show features a new band with jazz musician Branford Marsalis as musical director. Leno's first guests were comedian Billy Crystal and singer Shanice. (AP Photo/Craig Fujii) ( Lenos First Tonight Show 1992 )

This Nov. 5, 2012 photo released by NBC shows Jay Leno, host of "The Tonight Show with Jay Leno," on the set in Burbank, Calif. As Jay Leno lobs potshots at ratings-challenged NBC in his "Tonight Show" monologues, speculation is swirling the network is taking steps to replace the host with Jimmy Fallon next year and move the show from Burbank to New York. NBC confirmed Wednesday, March 20, it's creating a new studio for Fallon in New York, where he hosts "Late Night." But the network did not comment on a report that the digs at its Rockefeller Plaza headquarters may become home to a transplanted, Fallon-hosted "Tonight Show." (AP Photo/NBC, Paul Drinkwater) ( TV Leno Fallon )

Jay Leno gestures during the opening monologue at the inauguration of "The Tonight Show with Jay Leno" which was broadcast live on the east coast from NBC Studios in Burbank, Calif., May 25, 1992. The show features a new band with jazz musician Branford Marsalis as musical director. Leno's first guests were comedian Billy Crystal and singer Shanice. (AP Photo/Craig Fujii) ( Lenos First Tonight Show 1992 )

Wayne Gretzky, 27 smiles as he talks to guest host Jay Leno, right, during the taping of Monday night's "Tonight" show at NBC-TV studios in Burbank, Calif on August 20, 1988. Gretzky was recently to the Los Angeles Kings NHL team from the Edmonton Oilers in one of the biggest sports deals in history. (AP Photo/Reed Saxon) ( Wayne Gretzky )

Jay Leno awaits his first guest, Billy Crystal, during the inauguration of "The Tonight Show with Jay Leno" at NBC Studios in Burbank, May 26, 1992. The show was broadcast live on the east coast and featured a fresh look with new sets and a fresh sound with a new band directed by jazz musician Branford Marsalis. (AP Photo/Craig Fujii) ( Lenos First Tonight Show 1992 )

Jay Leno, left, hugs Branford Marsalis during the inauguration of "The Tonight Show With Jay Leno" which was broadcast live on the east coast from NBC Studios in Burbank, Calif., May 26, 1992. The show features a new band with Marsalis as musical director. Leno's first guests were comedian Billy Crystal and singer Shanice. (AP Photo/Craig Fujii) ( Lenos First Tonight Show 1992 )

Actor/comedian Billy Crystal, left, serenades "Tonight Show" host Jay Leno with "Dear Mr. Leno" during the inauguration of "The Tonight Show With Jay Leno" at NBC Studios in Burbank, May 26, 1992. The song Crystal sang was a parody of Bette Midler's ode to Carson on his penultimate show last week. Crystal was Leno's first guest. (AP Photo/Craig Fujii) ( Lenos First Tonight Show 1992 )

US President Barack Obama chats with host Jay Leno during a break in the taping of 'The Tonight Show with Jay Leno' October 24, 2012 at NBC Studios in Burbank, California. AFP PHOTO/Mandel NGAN (Photo credit should read MANDEL NGAN/AFP/Getty Images) ( Was7003594 )

BEVERLY HILLS, CA - JANUARY 13: In this handout photo provided by NBCUniversal, Jimmy Fallon and Jay Leno on stage to present during the 70th Annual Golden Globe Awards at the Beverly Hilton Hotel International Ballroom on January 13, 2013 in Beverly Hills, California. (Photo by Paul Drinkwater/NBCUniversal via Getty Images) ( NUP_154609_4477.JPG )

A man walks by the NBC studios, in Burbank, Calif., where "The Tonight Show Starring Johnny Carson," was taped, Sunday, Jan. 23, 2005. Carson, the quick-witted "Tonight Show" host who became a national institution putting his viewers to bed for 30 years with a smooth nightcap of celebrity banter and heartland charm, died Sunday. He was 79. "The Tonight Show with Jay Leno" has since taken over. (AP Photo/Stefano Paltera) ( OBIT CARSON )

WEST HOLLYWOOD, CA - FEBRUARY 24: TV personality Jay Leno arrives at the 2013 Vanity Fair Oscar Party hosted by Graydon Carter at Sunset Tower on February 24, 2013 in West Hollywood, California. (Photo by Pascal Le Segretain/Getty Images) ( 161758042DK00009_2013_Vanit )

LENO SHOW 1993"The Tonight Show" host Jay Leno, left, falls in to the water tank as Los Angeles Dodgers' manager Tommy Lasorda pushes the mark after missing it numerous times during taping of the show, June 3, 1993 in Burbank, Calif. Leno lost a bet to Lasorda that the Dodgers would win ten straight. (AP Photo/Kevork Djansezian) ( Leno Show 1993 )

In this photo provided by NBC, Los Angeles Dodgers manager Joe Torre, left, talks to host Jay Leno during his appearance on "The Tonight Show with Jay Leno" on Wednesday, March 26, 2008 in Los Angeles. (AP Photo/NBC, Margaret Norton) **NO SALES, NO ARCHIVE** ( Leno Torre Baseball )

In this photo provided by NBC, Jay Leno is seen during his final taping as host of The Tonight Show on Friday, May 29, 2009, in Burbank, Calif. (AP Photo/NBC, Paul Drinkwater) **MAGS OUT, NO ARCHIVING, NO SALES** ( TV Leno Ratings )

Former U.S. President Jimmy Carter and "The Tonight Show" host Jay Leno discuss hammers during taping of the show at the NBC Studios in Burbank, Calif., Thursday, Feb. 5, 1993. Carter demonstrated his carpentry ability for Leno and when asked by Leno of President Clinton's building skills Carter replied, "I hope he's a better statesman." (AP Photo) ( Jimmy Carter and Jay Leno )

Italian comedian Roberto Begnini gets a ride on the shoulders of late night talk show host Jay Leno during taping of "The Tonight Show" at the NBC studios in Burbank, Calif., Thursday, April 18, 1996. (AP Photo/The Tonight Show) ( BEGNINI LENO )

Chicago Bulls' Michael Jordan hugs Jay Leno Friday, May 3, 1996, in Rosemont, Ill., after being introduced during a taping of "The Tonight Show." (AP Photo/Michael S. Green) ( PEOPLE JORDAN LENO )

Ed McMahon, left, former announcer of the "Tonight Show," looks on as "Tonight Show" host Jay Leno breaks into laughter during the taping of the show, July 30, 1993, in Burbank, Calif. This was McMahon's first appearance on the show since the departure of Johnny Carson. (AP Photo/Kevork Djansezian) ( Ed McMahon 1993 )

Dallas Cowboys' quarterback Troy Aikman, left, the Most Valuable Player of Super Bowl XXVII, shares a laugh with "The Tonight Show" host Jay Leno during the taping of the show in Burbank, Calif., Feb. 1, 1993. (AP Photo/Kevork Djansezian) ( Leno Show 1993 )

British actor Hugh Grant,left, reacts to a question about his arrest for lewd conduct from host Jay Leno during the early moments on "The Tonight Show with Jay Leno" , Monday, July 10, 1995 in Burbank, Calif. It was Grant's first publicity appearance since his arrest involving a prostitute. (AP Photo/Eric Draper) ( HUGH GRANT )

Jay Leno, host of "The Tonight Show," right, is hit with his anniversary cake by actor/director Mel Gibson, left, during his fifth year anniversary show at the Burbank, Calif., studio Thursday, May 22, 1997. Leno is celebrating his fifth year as host of "The Tonight Show," succeeding Johnny Carson. (AP Photo/Damian Dovarganes) ( PEOPLE LENO GIBSON )

Talk show host Jay Leno, left, and Speaker of the House Newt Gingrich, right, hold piglets during the taping of "The Tonight Show" at the NBC studios in Burbank, Calif. Friday, April 26, 1996. (AP Photo/Damian Dovarganes) ( LENO GINGRICH )

Talk show host Jay Leno, right, wears a Texas Gov. George W. Bush mask while interviewing the Republican presidential candidate during the taping of "The Tonight Show with Jay Leno," Monday, Oct. 30, 2000, in Burbank, Calif. (AP Photo/Eric Gay) ( BUSH 2000 )

Jay Leno performs his monolog Sept. 30, 1996, on "The Tonight Show with Jay Leno" in Burbank, Calif. Leno has written a new book, "Leading with My Chin," which he says is not an autobiography. (AP Photo/Mark J. Terrill) ( TV LENO )

Conan O'Brien, left, who will take David Letterman's spot on 'Late Night,' is welcomed to NBC by Jay Leno during taping of "The Tonight Show," April 26, 1993 in Burbank, California. O'Brien, was a former writer for "Saturday Night Live." (AP Photo/Julie Markes)

2009A lucky Leno fan shows off tickets to the last show. People were lined up in front of NBC studios in Burbank to attend the last Tonight Show with Jay Leno. Some people slept on the street overnight to be first in line to get tickets, others arrived at 4AM to get one of the tickets. According to one person in line, 100 tickets were issued to fans for the last show. Burbank, Ca 5/29/09. Photo by John McCoy/staff photographer ( DN30-LENO-07-JM.JPG )

2009People were lined up in front of NBC studios in Burbank to attend the last Tonight Show with Jay Leno. Some people slept on the street overnight to be first in line to get tickets, others arrived at 4AM to get one of the tickets. According to one person in line, 100 tickets were issued to fans for the last show. Burbank, Ca 5/29/09. Photo by John McCoy/staff photographer