Rihanna  stepped out to do some solo shopping at Barneys yesterday, but on Monday night she was in plaid to check out a party hosted by Jay-Z  at his Rocawear  space in NYC. It's been a busy few days in the city for Jay-Z, after he recently gave Oprah a tour of his old Brooklyn neighborhood . While Beyonce was busy with her work obligations in Japan , Rihanna looked happy to come out and support his line. Rihanna and Jay-Z are set to team up again soon when they join Kanye to perform "Run This Town"  on the first episode of Leno's new show .
To see more from the party, just .
Images include: Jay-Z, Rihanna, Spike Lee, Anthony Anderson, June Ambrose