JoJo Siwa toasted Halloween this week by dressing up as iconic horror character Pennywise for her latest performance on Dancing With The Stars.The influencer and pop star is currently a contestant on the long-running TV series, a US counterpart to the BBC‘s Strictly Come Dancing.On yesterday’s (October 25) edition of the show, Dancing With The Stars held Horror Night, Siwa and her partner Jenna Johnson performed a jazz dance to the track ‘Anything Goes’ by District 78.“That was scary,” DWTS and