Jennifer Lopez Brings 'The Back-Up Plan' to Las Vegas

Jennifer Lopez is looking lovely as she previews her upcoming film, The Back-Up Plan, at ShoWest 2010 on Thursday (March 18) in Las Vegas, Nevada.

The 40-year-old entertainer introduced her film, which hits theaters Friday, April 23, to industry execs in Sin City.

Today’s the last day of ShoWest – later this afternoon, Prince of Persia: The Sands of Time will be screened and actors will be awarded for their accomplishments over the past year!

Beastly co-stars Vanessa Hudgens and Alex Pettyfer will be named Stars of Tomorrow and Zach Galifianakis will take home the award for Comedy Star of the Year.