Britney Spears' ex-husband Kevin Federline has set tongues wagging by spending a cosy time with hotel heiress Paris Hilton.
Sources have revealed that K-Fed was so thrilled to see Hilton, that he kept on shouting her name.
An eyewitness even said that Federline gave Hilton a kiss, and whispered something in her ear.
The pair then began laughing together, added the onlooker.
"It looked as though they were getting quite friendly," The Sun quoted an the witness as saying.