Lauren Conrad and Chace Crawford Hooking Up?

The former Hills star was reportedly seen making out with the Gossip Girl actor at an LA club and later at a party! HOT HOOKUP ALERT: WE'VE GOT THE "GOSSIP" ON A BRAND NEW CELEB COUPLE. JUST DAYS AFTER L.C. SAID "SEE YA" TO DEREK HOUGH, A SOURCE TELLS US MAGAZINE LAUREN WAS SPOTTED MAKING OUT WITH "GOSSIP GIRL" HOTTIE CHACE CRAWFORD. THE DUO HAVE BEEN FRIENDS FOR AWHILE -- WE DUG UP THESE PICS OF THEM PRESENTING TOGETHER AT THE 2008 MTV MOVIE AWARDS. AND THE INSIDER TELLS THE MAG: "There's always been an attraction between them... [But] Lauren is just enjoying herself. She's not taking anything too seriously!" WE'D BET DEREK WOULD AGREE WITH *THAT* STATEMENT. LAUREN AND CHACE APPARENTLY STARTED THEIR FLIRTATIONS AT AN L-A CLUB BEFORE HOOKING UP AGAIN AT A PARTY AT ACTOR SHAWN PYFROM'S HOUSE -- YOU MIGHT RECOGNIZE HIM AS MARCIA CROSS'S SON ON "DESPERATE HOUSEWIVES." OF COURSE, REPS FOR BOTH LAUREN AND CHACE DENY THEY'VE HOOKED UP -- BUT THEY CAN'T DENY THIS: THESE TWO WOULD MAKE ONE HOT COUPLE.