Jennifer Lopez & Ridley Scott's Surprise Office Run-In in L.A.

Jennifer Lopez proved she's the ultimate Hollywood power player as she turned heads strutting into the same Los Angeles office building that houses ex-husband Ben Affleck's production digs.

The superstar was decked out in full glam and looked amazing as she headed in for a round of meetings Monday. In true L.A. fashion, J Lo's morning grind came with star-studded serendipity ... we're told before J Lo stepped onto the elevator, she crossed paths with none other than legendary director Ridley Scott and his wife, producer Giannina Facio.

The two Hollywood titans exchanged hellos before each continued on to their separate offices ... Lopez to her own business dealings, and Scott and Facio to their production hub.

While Lopez's office sits in the same building as Affleck's, there was no sighting of her Oscar-winning ex during the brief encounter. Instead, the moment highlighted just how small -- and star-stacked -- the entertainment world really is when filmmakers and music icons are casually brushing shoulders on a weekday morning.