Kelly Rowland [1] is currently in Australia to judge the new season of The Voice, and on Monday, the former Destiny's Child singer hit the beach with her 2-year-old son [2], Titan. Kelly showed off her curves in a colorful one-piece and appeared to be in a good mood as she basked in the sun. Kelly rang in her 36th birthday just last month, and she shared a photo of little Titan having fun [3] at her bash on Instagram last week. "I wasn't the only one who had such a good time celebrating my birthday with our family and friends. 💙 #Fbf," she captioned it. While it's not clear if Kelly's husband, Tim Witherspoon [4], joined them, Kelly clearly enjoyed her day at the beach.