It's Sir Elton John to You: Take a Look Back at the Icon's Most Rock Star Throwbacks

Sir Elton John smashes his performance at the famed Hammersmith Odeon in London back in his early days.

The late John Lennon makes a surprise appearance at the star's Madison Square Garden show in November 1974 in New York City.

Front and center, the legend poses with his tongue out with Ace Frehley, Peter Criss, Gene Simmons and Paul Stanleythe from the rock band Kiss in 1977 in L.A.

No one can out-perform the king. John gives his fans a spectacular show — with piano handstands included — like this one from 1974.

The icon gathers with his iconic friends — Cher, Al Wilson and Natalie Cole — at a Wings concert at the Forum in Inglewood, California, in June 1976.

Known for his fearless fashion, the star set trends with unique and unforgettable pieces. In this shot from 1973, John is feeling 8-in. platform shoes and his signature round glasses.

John is seen here performing "Pinball Wizard" in The Who's rock opera movie Tommy, which was released in the U.K. on March 26, 1975.

In a key lime green suit adorned with gold stars, John proudly poses with his star on the Hollywood Walk of Fame on October 23, 1965, in L.A.

Friend Tina Turner supports John at the Tommy movie press conference at the Plaza Hotel on March 18, 1975, in N.Y.C.

Nothing is cooler than this early still of the icon completely unbothered, while listening to music in sparkly glasses and platform boots.

Years before John was knighted by Queen Elizabeth II in 1998, the singer hangs out with Princess Margaret and Lord Snowdon backstage at a benefit concert at the Shaw Theatre in London in 1972.

Bette Midler and John, dressed in elaborate costumes, hug on the set of the Cher show on CBS.

Boston is blessed with John and his one-of-a-kind costume choices at the Boston Garden in 1974.

The lifelong tennis fan poses with good friend and tennis legend Billie Jean King at the Forest Hills Tennis Stadium in N.Y.C. in 1975.

Former Beatles rocker Paul McCartney and then-wife Linda show off their awards from the 1978 Capital Radio Music Awards at Grosvenor House in London.

John, Rod Stewart and his then-wife Alana, and Mark Gero support Liza Minnelli's opening night show in London at the White Elephant in 1983.

The late George Michael and the singer get together at Live Aid on July 13, 1985, in London.

John wears a dazzling custom Dodgers uniform to perform for a sea of fans at Elton John in concert at Dodgers Stadium in 1975 in L.A.

John and husband David Furnish shut the star's 40th birthday party down with incredible costumes and even more brilliant wigs.