Let's make this birthday one to remember.

45 years old (Born on March 18, 1979)

American singer; He is famous from Maroon 5.

Adam Levine is ambidextrous. Which means that he writes and draws with his left hand, but does any other activity with his right hand. Owns a Golden Retriever called Frankie. Has got 5 tattoos. Briefly toured with Reel Big Fish while guitarist/lead singer Aaron Barrett recovered from a hand injury. Broke his collarbone in 2005.

His favorite musical artists are Prince and Stevie Wonder, who he calls his `spiritual leader`.

Singer of the band Maroon 5.

He is ambidextrous. He writes and draws with his left hand but prefers his right hand for most of other activities.

Cites The Beatles (John Lennon, Paul McCartney, George Harrison, and Ringo Starr) as his heroes.

Good friends with actress Natalie Portman.

His parents are divorced. He has one brother, Michael, as well as a step-sister, Julia. He also has a little half-brother and half-sister, Sam and Liza.

Friends with Adam Brody.

Irish American.

Resides in the Hollywood Hills with close friend, Gene Hong.

Good friends with Jake Gyllenhaal and Billie Joe Armstrong.

Former frontman of band Kara`s Flowers.

His parents are divorced. He has one brother, Michael, as well as a step-sister, Julia. He also has a little half-brother and half-sister, Sam and Liza

Has known Jake Gyllenhaal since kindergarten.

Has ADHD (attention-deficit-hyperactive disorder).