Rihanna Spends The Day With Rob Kardashian

Access Hollywood
Rihanna and Rob Kardashian spotted out in Hollywood on August 25, 2012 -- Pacific Coast News

New couple alert?

Rihanna and Rob Kardashian spent their Saturday together.

PLAY IT NOW: Rihanna: Battleship Was A 'Tremendous' Experience

The pair was first spotted racing go-karts at the Racer's Edge Indoor Karting track in Burbank, Calif., where Rih and Rob donned reflective vests and helmets before chasing each other around the track.

Click HERE to see the photo!

VIEW THE PHOTOS: Rob Kardashian: The Dash-ing Younger Brother

The "Where Have You Been" singer flipped the bird to waiting photographers as she and Rob left the go-kart track.

Later, Rihanna, 24, and Rob, 25, were photographed at Playhouse nightclub in Hollywood together.

Rob seemed to hint at a possible Rih connection on Friday, re-Tweeting a post by Rihanna that read, "A man's biggest mistake is giving another man the opportunity to make his woman smile."

VIEW THE PHOTOS: They Dated? Surprising Former Couples!

Rob re-Tweeted the post, adding, "THIS! Don't [expletive] it up!"

In February, rumors of a possible Rob/Riri love connection swirled, but the reality TV star has been recently linked to dating British singer Rita Ora.

VIEW THE PHOTOS: The Sexy & Stylish Rihanna

Copyright 2012 by NBC Universal, Inc. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.