It appears Chris Martin is getting around following his breakup from long-term girlfriend Dakota Johnson! Around the world, in fact! Word on the street right now - the streets of Brazil - is that the Coldplay frontman is hooking up with singer Gaby Amarantos (above inset). The romance rumors started on social media after the pair performed at the Global Citizen Amazônia festival in Belém do Pará, Brazil, on Saturday. They were caught on camera chatting it up backstage at the event, and fans fancied they saw some sparks.