LONDON (AP) -- "Harry Potter" star Daniel Radcliffe says he has given up drinking alcohol after realizing he was partying too hard.
RELATED: Celebs Gone Geeky
The 21-year-old actor says he began to drink too much while filming "Harry Potter and the Half Blood Prince," the sixth movie in the Harry Potter series, in 2009.
Radcliffe was speaking to GQ magazine in an interview released Monday.
RELATED: Sci-Fi Grads
He said he began drinking and partying as he was "enamoured with the idea of living some sort of famous person's lifestyle that really isn't suited to me."
Radcliffe shot to fame after he was cast as Harry Potter for the movie adaptations of J.K. Rowling's popular books about a teenage wizard.
RELATED: L.A. scares the crap out of Emma Watson
The last movie in the series "Harry Potter And The Deathly Hallows: Part II" premieres on Thursday.
From Brad Pitt to Ian Somerhalder, see some of Hollywood's sexiest vampires.
See where the cast of "Cruel Intentions" is today.
Find out what Oscar winners Jared Leto and Lupita Nyong’o have been up to since the Academy Awards on Celebs Gone Social.
Check out Sandra Bullock's fabulous and colorful style.
From Channing Tatum to Jennifer Lawrence, see which celebs got their start modeling.
From the Atkins Diet to aerial fitness classes, see what stars like Kim Kardashian, Jessica Alba and Beyonce do to keep in shape.
© 2014 Microsoft