John Lennon and Yoko Ono are seen outside the U.S. Immigration offices in New York City, Friday, April 18, 1972. Lennon was given 60 days to leave the country voluntarily or be deported as an undesirable alien at the hearings. Lennon is being deported as part of the U.S. President Nixon's effort to silence him as a critic of U.S. involvement in the war in Vietnam. To this end the FBI has assembled approximately 300 pages of files on Lennon from 1971-72. (AP Photo)

Aug 23, 1976; London, UK; Singer/Songwriter JOHN LENNON (1940-1980) member of The Beatles and his wife Yoko Ono. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

Beatle John Lennon, right, and Yoko Ono are shown circa 1969 at an unknown location. (AP Photo)

Mar 25, 1969 - Amsterdam, Netherlands - During the Vietnam War, in 1969, JOHN LENNON and YOKO ONO held two, week-long Bed-Ins for Peace, in Amsterdam and Montreal, which were their non-violent ways of protesting wars and promoting peace. Knowing their March 20, 1969 marriage would be a huge press event, John and Yoko decided to use the publicity to promote world peace. They spent their honeymoon in Room 702 at the Amsterdam Hilton Hotel for a week between March 25 and 31, inviting the world's press into their hotel room every day between 9 a.m. and 9 p.m. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

John Lennon and his wife Yoko Ono are seen at the Cannes Film Festival, May 18, 1971. Lennon carries Ono's art book

Jan 07, 1970; Jutland , Denmark; Singer/ Songwriter JOHN LENNON (1940-1980) member of The Beatles with his new wife YOKO ONO. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

Jan 01, 1969 - London, England, UK - YOKO ONO und JOHN LENNON, at the an opening of Lennon's exhibit. Knowing their March 20, 1969 marriage would be a huge press event, John and Yoko decided to use the publicity to promote world peace. Lennon and Ono often combined advocacy with performance art, as in their "Bagism" introduced during a Vienna press conference. Lennon detailed this period in the Beatles' song "The Ballad of John and Yoko". (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

Apr 01, 1969; Amsterdam, Netherlands; Musician JOHN LENNON of the Beatles and his wife YOKO ONO leaving to Vienna after their seven day 'lie-in' in Amsterdam. (Credit Image: ? KEYSTONE Pictures USA)/ eyevine

Former Beatle John Lennon, giving the peace sign, and his wife, Yoko Ono, arrive for a hearing on their deportation case at U.S. Immigration and Naturalization Service office in lower Manhattan, May 12, 1972. (AP Photo)

John Lennon and his wife, Yoko Ono, pose with their new short hair styles at their farm in North Jutland, Denmark, on Jan. 23, 1970. (AP Photo)

Yoko Ono arrives to the Hulaween gala in New York, Monday, Oct. 31, 2005. The event celebrated the tenth anniversary of Bette Midler's New York Restoration Project and Midler's 60th birthday. The NYRP reclaims, restores, and develops under-resourced open spaces in New York City's five boroughs. (AP Photo/Stuart Ramson)

John Lennon, right, is shown with his Japanese-born wife, Yoko Ono, in London, England, on March 13, 1970. (AP Photo)

John Lennon, right, is seen with his wife Yoko Ono at a press conference in 1969. (AP Photo)

John Lennon and his wife Yoko Ono leave a brief deportation hearing, March 16, 1972, in New York at the offices of the Department of Immigration and Naturalization. They say they want to stay in the United States, but their visitors' visas have expired. Man at right in unidentified. (AP Photo/Tony Camerano)

John Lennon, right, is seen with his wife Yoko Ono at a press conference in 1969. (AP Photo)

John Lennon and his wife Yoko Ono are seen at Heathrow Airport, London, Dec. 16, 1969, en route to Toronto, Canada, to hold a Christmas crusade for peace. (AP Photo)

John Lennon and his wife Yoko Ono share an Eskimo kiss (rubbing noses) during an interview in London, Feb. 9, 1970. Both had their hair shorn in Denmark to be auctioned off in London. The proceeds will go to the Black Power organization in Britain. (AP Photo/Bob Dear)

John Lennon and his wife Yoko Ono perform in their first public appearance as the Plastic Ono Band, at Toronto's Varsity Stadium, Sept. 14, 1969. (AP Photo)

**FILE**John Lennon and his wife, Yoko Ono, arrive at The Hit Factory, a recording studio in New York City in this Aug. 22, 1980 file photo. The former Beatle was shot to death outside his apartment building, The Dakota, on Manhattan's upper westside, 24 years ago today. (AP Photo/Sands)

John Lennon and his wife Yoko Ono give some of their shorn hair to Abdul Malik, British Black Muslim leader, in London, Feb. 4, 1970. In exchange, Malik presents the Lennons with a pair of boxer's shorts he said were given to him by fomer world heavyweight boxing champion Muhammad Ali. Malik said the hair would be auctioned to the highest bidder. (AP Photo)