Kelly Osbourne demanded child support from her ex Sid Wilson after he was fired from Slipknot. 10 Kelly Osbourne posted messages directed at ex Sid Wilson (seen above with the TV star) after his Slipknot termination. Redferns10 Wilson (seen above wearing a mask) joined Slipknot in 1999 and was one of its nine original members. 10 The DJ and Osbourne (seen at the 2026 Grammys) called off their engagement in March. AFP via Getty Images10 They welcomed their son, Sidney, in November 2022. kellyosbourne/InstagramHe and Osbourne began dating in 2022 and welcomed their son, Sidney, that November.