One Direction starEllie Gouldingare reported to have parted ways after just 27 days.
The fledgling pop couple were reported to have [uuid=152d5965-e4c2-44cb-ae14-1b0a8834b55a]hooked up at the V Festival[/uuid] last month - but are claimed to have already called it a day.
A source told The Sun: "It's all over between Niall and Ellie. They've split up.
"There was obviously a real attraction — but Niall's a young lad and wants to live it up."
The pair had been dubbed "Nellie" by wags, although Ellie also suffered some abuse from over-enthusiastic 1D fans.
Ellie, 27, has hinted that things ended on good terms, telling a fan on Twitter that she'd wished Niall a happy 20th birthday.