L.A. Times - Entertainment — Only Ariana Grande knows what triggered a change in her attitude Wednesday night at the Forum. more info

L.A. Times - News — more info

Perez Hilton — Well, that squashes all of those rumors! Many people saw, in person and later on video, a concert featuring Ariana Grande and a surprise appearance from Justin Bieber where it appeared Justin was a little too touchy-feely with Ariana during the show.... more info

Mercury News, California — Big Sean claims an angry tweet directed toward the Biebs, after he got grabby with Ariana Grande on stage at a Los Angeles concert, was a fake. more info

TMZ — The Big Sean/Justin Bieber feud is over before it even started ... or more accurately ... it never existed in the first place.  A rep for Big Sean tells TMZ the tweet going around in which Sean threatened Bieber for laying hands on Ariana… more info

Perez Hilton — Last month, we reported that Ariana Grande fans got more than they bargained for when Justin Bieber hit the stage with the star during her Miami concert. Now it seems that Biebs needed another Ari fix, as he made another surprise cameo this week duri... more info

The Daily Mail — Justin joined his pal for another surprise appearance during her concert at The Forum in Inglewood, California on Wednesday. more info

MTV.co.uk News — We can't wait to hear what his new music sounds like…! more info

TMZ — Justin Bieber got a little handsy with Ariana Grande during a performance Wednesday night ... much to the dismay her boyfriend Big Sean, who was in the crowd and twitter threatened him. Bieber made a surprise appearance at Grande's concert at the… ... more info

MTV.co.uk News — JB shocked the 'Arianators' again by getting up close and personal with the star on track 'Love Me Harder'... and BF Big Sean totally noticed! more info