Kate Hudson and Lance Armstrong Split

Kate Hudson and Lance Armstrong called it quits this weekend after a three-month romance that went public when they were spotted in Austin, Texas in mid-May, Usmagazine.com exclusively reports.

"There was no drama or ugliness ' They just decided to end things," a source close to the couple tells Us. "There is no hatred, just sadness."

The pair quickly became inseparable with sightings of them in Austin, New York and Los Angeles ' though both dodged questions about their relationship.

In the short time they were together, the 29-year-old actress was seen with the 36-year-old cyclist at many of his races and events, including his three-day Lance Armstrong Livestrong Summit in Columbus, Ohio this past weekend.

It was at the conference that Hudson and Armstrong decided to go their separate ways, a source tells Us.

Each had introduced the other to family. Hudson's mom Goldie Hawn gave what seemed to be her approval at a July 1 lunch at The Ivy at the Shore. Also, Hudson's four-year-old son Ryder went to a Father's Day brunch with Armstrong ' and dad Chris Robinson ' in June.

A rep for Armstrong had no comment while a rep for Hudson could not be reached.

Tell Us: Are you surprised by the split?