Chelsea Kane walks side-by-side with boyfriend Stephen Colletti as they arrive at Staples Center to catch a Laker game on Friday night (March 2).

Did you know that Chelsea, 23, is guest starring on an upcoming episode of CSI?!

PHOTOS: Check out the latest pics of Chelsea Kane

Chelsea writes on her official site, “In addition to working on One Tree Hill, I’ll also be appearing on an upcoming episode of “CSI.” Many people don’t know this but one of my guilty pleasures happens to be crime television whether it’s a series like CSI or Law & Order, or investigative news like Dateline NBC – I love it all!”

“I had such a good time working on the show. Everyone was super friendly and my stand-in was pretty awesome as well,” she added.

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Chelsea Kane joins in the celebration with Stephen Colletti as they party at 1 Oak in Las Vegas on Saturday night (February 11).

The One Tree Hill costars and off-screen couple dined at the Stack Restaurant & Bar before heading over to 1 OAK with a group of friends which included OTH creator Mark Schwahn.

PHOTOS: Check out the latest pics of Chelsea Kane

Stephen was even treated to a 3-tiered Jean Phillippe birthday cake with “Happy Birthday Stephen Colletti” written on the side. Yummy!

Chelsea Kane gives a little kiss to boyfriend Stephen Colletti as they enjoy the sun in Mexico earlier this month.

The 22-year-old actress, who wore a dalla nonna little letter “k” necklace in rose gold with her white 1Sol Swimwear bikini, had fun in the sun and in the ocean.

Chelsea blogged on her official website about another vacation she went on — to Montgomery, Texas!

“The first night, my cousin and her fiancé took us to an awesome Mexican food restaurant. It had a giant Vegas inspired flashing “FAMOUS FAJITAS” sign out front. Needless to say, I had high expectations. Upside/downside, I don’t remember what the food tasted like because I was too distracted by the three 6-year-old girls singing “Rude Boy” and “Low” at the open mic. Where are your favorite places to watch karaoke?” she posted.

FYI: Chelsea and Stephen stayed at the relaxing Casa Dorada Los Cabos resort and spa.

Chelsea Kane keeps close to boyfriend Stephen Colletti as they arrive at the 2011 MTV Movie Awards held at the Gibson Amphitheatre on Sunday (June 5) in Universal City, Calif.

The 22-year-old Fish Hooks actress wore a peach and lace Maria Lucia Hohan dress with Lauren Merkin’s “Allie” zipper-trimmed clutch.

Chelsea has opened up her new website for a little Q&A session with her fans. Send in your questions and she’ll answer!

10+ pics inside of Chelsea and Stephen at the 2011 MTV Movie Awards… More Here! »

Chelsea Kane and Mark Ballas literally light up the dance floor as they perform during the Dancing With The Stars finals on Monday night (May 23).

The twosome earned a total of 59 points out of 60 for the night for their samba and freestyle, putting them tied for the trophy with Hines Ward and Kym Johnson! Such a close race!

But look who showed up to support her! Not only was boyfriend Stephen Colletti spotted in the audience, Joe and Nick Jonas were there too!

VOTE for Team KanenBall — 1-800-868-3401 end_of_the_skype_highlighting OR online at ABC.com.

Check out their dances below and enjoy 15+ pics inside…

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Chelsea Kane leathers it up in blank pants as she arrives at KIIS FM’s 2011 Wango Tango Concert at Staples Center in Los Angeles on Saturday night (May 14).

The 21-year-old actress was joined by boyfriend Stephen Colletti, who was just in New York, promoting the season finale of One Tree Hill.

The finale hits airwaves just before an all-new Hellcats on Tuesday, May 17th @ 8PM ET/PT on the CW.

Chelsea is also pictured arriving at practice with her George Gina & Lucy J. Jumper bag, on Sunday afternoon (May 15) in Los Angeles.

15+ pics inside of Chelsea and Stephen…

FYI: Chelsea wore a black vintage lace tank with Swarovski beading by Rachael Cassar. More Here! »

Chelsea Kane brightens up the red carpet premiere of Pirates of the Caribbean: On Stranger Tides held at Disneyland on Saturday afternoon (May 7) in Anaheim, Calif.

The 21-year-old Dancing With The Stars contestant walked the “plank” with boyfriend Stephen Colletti.

Chelsea wore a Nicole Miller dress with Giuseppe Zanotti shoes and accessorized with a Kelly Locke clutch and Miriam Solat jewels.

Chelsea has been super busy dancing her butt off for DWTS. She tweeted, “Final fittings for tomorrow! The #DWTS wardrobe department went through 27 lbs. of rhinestones this week alone and use over 500,000 per season!”

ARE YOU WATCHING Chelsea dance right now? Do it!

15+ pics inside of Chelsea Kane… More Here! »