sunglasses jacket Ferrari barney's heels River Viperi

Sounds like a perfect way to spend a Tuesday afternoon after a weekend of work!

Yesterday Paris Hilton and boyfriend River Viiperi went shopping at Barneys New York in Beverly Hills, and the duo smiled and waved to fans and photographers before hopping in P's red Ferrari.

After that the heiress headed to Haus Of Milani on Melrose more a little bit more shopping. In case you're wondering why the name sounds familiar, it's because this is the same designer who made Paris' white hot Grammys dress. "Love all the new pieces that came in," P tweeted. "So many beautiful looks to choose from. #Lovesit."

Paris made an appearance at the Leather and Laces Superbowl Party at The Liberty Theater in Times Square on Friday, and over the weekend she DJed at The Pool After Dark at Harrah's Resort in Atlantic City. P then spent a day in New York before jetting back to Los Angeles ... knowing her, she'll be back on a plane before the week is over!