The dancer-actress has only been back on the market for a few months since splitting from boyfriend of three years Ryan Seacrest in March, but it looks like she's already moving on! Julianne was first spotted sharing a PDA-filled dinner with Oscar-winning short film director Ari Sandel in mid-July. A week later, Ari was snapped leaving Julianne's apartment after an apparent sleepover. We can understand the attraction! But aren't rebound romances usually doomed to fail?