Emma Roberts and Carter Jenkins share a sweet smooch in the new teaser trailer for their upcoming romantic comedy, Valentine’s Day.

The ensemble cast movie follows intertwining couples and singles in Los Angeles break-up and make-up based on the pressures and expectations of Valentine’s Day.

The flick also stars country superstar Taylor Swift, Twilight hunk Taylor Lautner and Emma’s aunt, Julia Roberts. Check it out below!

Valentine’s Day is set to open February 2010.

Happy Birthday, Carter Jenkins!

The Aliens in The Attic star turns 18 today! After having dinner with costar Robert Hoffman, he tweeted, “I suddenly feel older. Hmm. Weird.”

Carter has been received brithday wishes across the Twitter-verse already. Check them out:

David Henrie: “HAPPY HAPPY day. welcome to manhood.”

Taylor Swift and Austin Butler: “Happy birthday!”

Matt Prokop: “Dude welcome…. I don’t need to say anything else..o ya happy birthday.”

Miley Cyrus and her actor pal Carter Jenkins catch Kings of Leon in concert at The Forum in Los Angeles on Saturday night (August 22).

The 16-year-old actress tweeted, “Just saw fellow Nashville natives Kings of Leon in concert wiff @carterjenkins.”

Carter also tweeted, “KOL killed it. Awesome show & very fun night with MiCy (@mileycyrus). Yeah I’m all about abbreviating…. I’m just that cool. hah.”

Other celebrity couples who attended the concert: Orlando Bloom & Miranda Kerr, Justin Timberlake & Jessica Biel, and Eddie Cibrian & LeAnn Rimes. Camilla Belle, Amanda Bynes, Anna Faris, Leona Lewis, Christopher Mintz-Plasse and Chuck star Yvonne Strahovski were also in attendance.

Carter Jenkins tries to hold everything in place as he makes a break for costar Emma Roberts VW Beetle while filming Valentine’s Day in Los Angeles on Tuesday afternoon (August 4).

The 17-year-old actor only carried a guitar and some strategically placed items to hide everything!

Earlier last week, Carter and Emma filmed with the two Taylors: Swift and Lautner.

Valentine’s Day follows five slightly interconnecting stories playing out on Valentine’s Day in Los Angeles.

15+ pics inside of Carter Jenkins streaking… More Here! »

Check out Taylor Lautner’s high-flying flip!

The 17-year-old actor was seen showing off his skills to on-screen girlfriend Taylor Swift on the football field set of their upcoming movie, Valentine’s Day.

In the scene, the two Taylors share a passionate lip lock before Lautner sprints off into a cartwheel back flip. Also spotted around the set: Emma Roberts and Carter Jenkins.

Taylor Swift tweeted earlier, “Spent all day with the other Taylor. Lots of laughing, lots of confusion over which one was actually being called to set.”

25+ pics inside of high-flying Taylor Lautner… More Here! »

Emma Roberts embraces costar Carter Jenkins in a hug as they head to the Valentine’s Day set in Los Angeles on Thursday afternoon (July 30).

The twosome first met on Emma’s Nickelodeon show, Unfabulous. Carter played Eli, Addie’s (Roberts) good friend who, in one episode, gives her a smooch at the movies. Now they’re starring in Valentine’s Day together!

Also spotted on set were the two Taylors: Swift and Lautner. Emma tweeted Taylor Swift after returning home, saying, “Had so much fun today with you!”

15+ pics inside… More Here! »

Ashley Boettcher laughs it up with alien Sparks (voiced by Josh Peck) in this new still from Aliens in the Attic.

In the upcoming comedy, starring Ashley Tisdale, Carter Jenkins and Austin Butler, a group of kids must protect their Maine vacation home from invading aliens. Aliens hits theaters Friday, July 31.

Check out the new clip below where Bethany (Tisdale) and her cousins have to convince Tom (Jenkins) to save the planet!

10+ stills inside…

More Here! »

Robert Hoffman squeezes his on-screen main squeeze Ashley Tisdale in this new still from their upcoming comedy, Aliens in the Attic.

The summer flick, also starring Carter Jenkins and Austin Butler, follows a group of kids must protect their Maine vacation home from invading aliens. Aliens hits theaters Friday, July 31.

Ash and Robert will be at the Mall of America in Bloomington, Minnes., on Thursday, July 23.

More Here! »