Heather Graham and Bradley Cooper at UK premiere of "The Hangover"

Actors Bradley Cooper (L) and Heather Graham arrive for the UK premiere of "The Hangover" in Leicester Square, central London June 10, 2009. [Agencies]

Related Readings: Zac Efron, Heather Graham and other stars turned up for Hollywood premiere of The Hangover

"Hangover" pulls "Up" back to No. 2 at box offices

Zac Efron's female film role