Lonely Together Avicii feat. Rita Ora Download 'Lonely Together' on iTunes
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Celebrity Weddings 2016: Which Of These 8 Pop Star Couples Will Tie The Knot Next?
Pixie and Oliver have been dating for four years, but the pop singer is adamant she's in no rush to walk up the aisle anytime soon. Four years is a LIFETIME in celeb land, so we think there's a 50/50 chance of these two getting wed in the near future. (Pic: Getty)