Possibly - they have been hanging out lately. Or maybe she was trying to impress one of the other young men who attended her Fourth of July party at a beach house in Malibu. Duff did look to be having a good time, although I don't think Courteney Cox and David Arquette appreciated the attention (their beach house is right next door), because along with the Duff sisters throwing a party, Lindsay Lohan threw a beach party as well (those photos to come shortly).
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(Flynet)
Many more photos from the Duff sisters' Fourth of July party after the jump.

































Mr. T says:
I'd take the Duffster over LiLo any day.
kiki
Um note to Duff - you are at the beach girl... you don't have to wear 4 lbs of eyeshadow!
T-bone says:
It's almost as if Hilary Duff is trying to fit in with the "cool" kids here, but it's not really working. Don't sell your soul, Hilary. Leave that nonsense for your sister.
uhm says:
the chick who is grabbing her ass looks like nicole richie...