Celebrity Howie Mandel Pokes Fun at Calvin Harris About Taylor Swift as Tinashe Clarifies If They Are Dating Sin City was taken over by Harris and his relationship drama over the weekend By Blake Bakkila and Mark Gray Published on August 7, 2016 01:15 PM Share Tweet Pin Email Photo: Calvin Harris/Instagram Calvin Harris dealt with old and potentially budding relationships in Las Vegas over the weekend, as he addressed the Taylor Swift breakup and Tinashe commented on their relationship status. Harris, 32, joined host Howie Mandel on stage for the 50th Anniversary Gala at Caesar’s Palace on Saturday night – and Mandel wasn’t going to let his beef with Swift, 26, go. “That’s a nice suit. Who’s your tailor?” Mandel said, alluding to Swift as the Scottish DJ accepted the gala’s “Icon” award. The crowd roared with laughter and Harris forged an awkward smile before he said, “I already dealt with that. You had that one ready,” before thanking the more than 2,500 gala attendees. Harris deejays at the hotel’s Omnia Nightclub. Meanwhile, R&B singer Tinashe, 23, was also in Sin City, and spoke to E! News about her rumored romance with Harris. “I mean, I’m still definitely single,” she told E! News, when asked about their relationship before her performance at Intrigue nightclub on Saturday night. “So that’s all that we’re at right now.” Harris and Tinashe sent rumors flying when they were spotted heading out to dinner at West Hollywood’s Soho House last month. A last month that the pair have been “casually seeing each other.” The pair met in 2014 when they worked together on the song “Dollar Signs.” “They stayed in touch and recently started hanging out again,” the source said. Tinashe also addressed which camp she’s siding with in Swift’s feud with Kim Kardashian West. “I can’t pick sides, I’m neutral!” she told E! News. “I’m Switzerland!”