Is there trouble in paradise for Gwyneth Paltrow (Holly Holliday) and hubby Chris Martin? Not likely — but Glee's sexiest guest star has given us reason to speculate.

Credit: Michael Yarish/FOX ©2011 Fox Broadcasting Co. Photo: Will and Holly in Season 2, Episode 15: "Sexy"

Gwen and Matthew Morrison (Mr. Schue), her on-screen love interest, were spotted leaving London's Grosvenor House Hotel at 2 AM over the weekend.

However, the co-stars were probably just talking business over drinks. After all, Gwyneth is dueting with Matt on his debut album, and they've become friends while shooting Glee. Maybe he's trying to persuade her to go on tour with him? That would certainly boost ticket sales!

Source: The Daily Mail

Update: According to the New York Daily News, Paltrow is not romantically involved with Matt. A source close to the actress revealed that Gwyneth thinks of him as her "little brother." In other words, cute but let's not go there!

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For more on Gwynie and Matt:
- Matt and Gwyneth to Duet on Matt’s Solo Album
- Gwyneth Paltrow Addresses $1 Million Record Deal Rumors
- Behind-the-Scenes Footage: Matthew Morrison Goes Old School for New Album