Hakkasan Las Vegas Restaurant was a celebrity hot spot, as many of the most buzzworthy names in entertainment were spotted as they relished on signature bites and libations at the most in-demand Cantonese restaurant inside MGM Grand Hotel & Casino . Check out photos below! Arriving first to the destination just after 10 p.m., the lovely and talented actress/songstress Katharine McPhee was welcomed with open arms by the adoring staff as she took her seat in the private dining room.