Posted on Fri Feb 10th, 2012 6:30am PDT
Is there trouble in paradise for these newlyweds, already?
Nick Lachey and Vanessa Minnillo exited their LA gym looking like they'd just had a lover's quarrel, as they looked angry and upset after their workout, on Thursday afternoon.
It was recently reported that the former 98 Degrees singer was flirting with a blonde and a brunette at the Sundance Film Festival, and even ended up exchanging numbers with the mystery blonde, according tofo In Touch.
Vanessa was not at the star-studded event with her hubby, opting instead to stay in LA at their newly-purchased dream home in Encino, Calif.
After being married for just six months, could news of Lachey's recent trip have caused a rift in the couple's relationship?
SEE THE GALLERY Nick Lachey And Vanessa Minnillo Get Grumpy After A Workout
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