by Free Britney at

Looks like the Lauren Conrad and Derek Hough dating rumors are true.

The hot young couple added fuel to the fire by partying together - very closely, as a matter of fact - in the back room at L.A.'s Trousdale Lounge.

While they were with friends - she had Lo Bosworth with her, and he was hanging out with Dancing With the Stars co-star Mark Ballas - they mostly spent time with each other. Then they hit the floor, where they danced lovingly.

  • Hot Derek Hough Pic
  • Cute Lauren Conrad Pic

Derek Hough and Lauren Conrad are totally a couple.

"It was obvious there was a lot of chemistry between the two," an onlooker says. "She was very smitten." So smitten, in fact, that the normally reserved reality TV star and fashion designer shared some smooches with her man.

Says the onlooker: "Neither seemed embarrassed about kissing in public."

They seem like a good fit, don't you agree?

[Photos: WENN.com]

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by Free Britney at

There's a romance brewing between a Dancing With the Stars pro and former queen of the Hills. Derek Hough and Lauren Conrad are totally dating!

"They've been on a few dates together," a source says.

The two raised many an eyebrow at Jason Scoppa's weekly live show at the Sayers Club in Hollywood: "They were pretty cozy. Definitely playful and flirty."

  • LC in Effect
  • Derek Hough Picture

"They were close to each other," the source explained of LC and DH. "He had his arm around her waist. They were dancing and also holding hands."

When they left, celebrity news photographers snapped away, but the two didn't stand too close together. A security guy also tried to block the shots.

Lauren Conrad most recently ended a long relationship with actor Kyle Howard in June, while Hough was linked to former X Factor judge Cheryl Cole.

He's paired with Ricki Lake on the new season of DWTS. What do you think of Derek Hough and Lauren Conrad as a couple? Leave a comment below!

[Photos: WENN.com]

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