Ashley Tisdale stifles a laugh as she arrives at LAX airport in Los Angeles on Thursday afternoon (October 29).

The 24-year-old singer and her band mates are headed to South Dakota where they will be performing at the 2009 Progressive Skating and Gymnastics Spectacular on Friday, October 30th at the Rushmore Plaza Civic Center in Rapid City.

The show will also feature Olympians Shawn Johnson and Nastia Liukin. Head over to Rushmore Plaza’s website for ticket information.

10+ pics inside of funny face Ashley Tisdale… More Here! »

Caroline Clark sets the mood of the song as she lights up some candles and sings her heart out in a bathtub, covering OneRepublic’s “Apologize.”

The Texas-born singer is most known for being Ashley Tisdale’s backup singer.

In fact, she was even performing with Ash last night at Los Premios MTV 2009!

Check out the vid below and tell us what you think of Caroline’s cover?

Blonde BFFs Ashley Tisdale and Caroline Clark stroll down the walkway on a sunny Sunday afternoon (September 20) in Malibu, Calif.

Caroline tweeted from their girl’s day out, saying, “Day in the ‘BU with @ashleytisdale! Plan in ten years: Living there with some curly-blonde haired kiddies running around!”

Ashley and Caroline also stopped in at the shops at Cross Creek before grabbing an ice cool drink from fave cafe Coffee Bean and Tea Leaf.

10+ pics inside of Ashley Tisdale and Caroline Clark… More Here! »

Samantha Droke gets sandwiched in between costars Nicholas Braun and Kevin Schmidt as she and Popstar! magazine host the Princess Protection Program Party on Friday evening (June 26) in Sherman Oaks, Calif.

The 21-year-old actress invited all her friends — including Caroline Clark and Shelley Buckner (not pictured) — to the event.

Sam’s guests even got gift bags inspired by her Imagine the Love line, Primp clothing, a private PPP red velvet cup cake from PolkaTotsCupcakes.com and Monster energy drinks.

Nick’s new on-screen love interest, Meaghan Martin, also showed up to support her pals. Check out more exclusive shots at PopstarOnline.com!

10+ pics inside… More Here! »

Ashley Tisdale and gal pal Caroline Clark keep their heads low as they leave Sunlounge Tanning in Los Angeles on Saturday afternoon (May 9).

The 23-year-old “Hot Mess” hottie kept it casual in sweats and toted around her Louis Vuitton Alma bag. The duo stoppd off at Jamba Juice for some smoothies before heading out.

Ashley performed a private show this afternoon for friends and family, playing some tracks off her new album, Guilty Pleasure.

She tweeted, saying, “Getting manicure and pedicure with @caroclark! Good show today @mjtpockets and @jacobfatoorechi, you blew my expectations lol!”

15+ pics inside of Ashley and Caroline… More Here! »

Ashley Tisdale hangs onto a pal’s hand as she and good pals Samantha Droke and Caroline Clark make their way into h.wood Lounge in Los Angeles on Monday night (May 4).

The 23-year-old MTV Movie Award nominee kept hidden in a camouflage cap and long khaki coat. Look at those heels!

Caroline performed at the Apple Club last night and tweeted after the show, “Show was ridiculous! All my friends came out! Love you alll! Thank you so much for all the good lucks! Xoxoxoxox”

More Here! »