The DJ and heiress shares Phoenix, 16 months, and daughter London, 6 months, with her husband Carter Reum Paris Hilton is having some fun with her water baby. On Sunday, May 26, the DJ and heiress, 43, shared a TikTok video of herself swimming with her 16-month-old son Phoenix Barron during a Hawaii vacation. “Go!,” Hilton said at the beginning …