PHOTOS: Drake And Rihanna, Matt & Gloria Govan, Gabby Union & Savannah Brinson PARTY IT Up At His Grammy Afterparty

Drake and Rihanna partied it up his Grammy afterparty, shortly after she hit the stage at House Of Blues.  See the party people inside along with Gabby Union, Savannah Brinson, Tyga, Ameriie and Matt Barnes & Gloria Govan.

After the Grammys, Rihanna performed at the Three Six Zero & Roc Nation Benefit at House of Blues Sunset Strip in West Hollywood. 

And afterwards....

Rihanna went over to the Greystone Manor Club for the Grey Goose, Grand Tactics & JL Nights Presents The Take Care Grammy Party Hosted By Drake.  And her brother Rorrey rolled with her.

Gabrielle Union and Savannah Brinson tweeted a few pics of themselves getting down at the party. 

Matt Barnes was there with Gloria Govan.  Holding hand and all.  So much for that breakup.  She said they've been "dating again" but clearly things have escalated.

And Ameriie was there too