5. Eva Mendes always radiates her considerable natural beauty, but why not a smile? (Photo: WENN)
7. Jeremy Piven looks a tad friendlier than his Entourage alter-ego, Ari Gold, on the red carpet at the hangover premiere. (Photo: WENN)
The Hangover Premiere
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 Bradley Cooper shines at the debut of his new film, The Hangover, at Grauman’s Chinese Theatre in Los Angeles Tuesday. (Photo: WENN) |
The Hangover Premiere
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 Jim Carrey & Jenny McCarthy — both known for their comedy chops — take in the new comedy, The Hangover. (Photo: WENN) |
The Hangover Premiere
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 Heather Graham left her roller skates at home, but doesn’t look half-bad in this red dress, all the same. (Photo: WENN) |
The Hangover Premiere
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 Kristen Bell goes the formal route at on the red carpet. We love her necklace and handbag. (Photo: WENN) |
The Hangover Premiere
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 Eva Mendes always radiates her considerable natural beauty, but why not a smile? (Photo: WENN) |
The Hangover Premiere
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 Zac. Efron. Do we need to say anymore? (Photo: WENN) |
The Hangover Premiere
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 Jeremy Piven looks a tad friendlier than his Entourage alter-ego, Ari Gold, on the red carpet at the hangover premiere. (Photo: WENN) |
The Hangover Premiere
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 Mary-Kate Olsen looks a tad chilly in this red carpet snap at Grauman’s Chinese Theatre in Los Angeles Tuesday. (Photo: WENN) |
The Hangover Premiere
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 . Jason Bateman & Amanda Anka look the happy couple on the red carpet Tuesday. (Photo: WENN) |
The Hangover Premiere
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 Audrina Patridge shimmers for summer at the premiere. (Photo: WENN) |
