New York, June 25 : Paris Hilton, who broke up with her beau of almost one year, Cy Waits, last week, is apparently enjoying being single for the first time in her life.She was spotted at the HTC EVO 3D launch at the RadioShack Pop-Up Lounge in LA Thursday night, partying with David Arquette, Zachary Levi, Jaime King, Brenda Song and others, reports the New York Post.Then she partied at