Pre-Turkey Day with Gwynnie!

During their recent top-secret rendezvous in London, Taylor Swift and Jake Gyllenhaal dined with none other than Gwyneth Paltrow, a source tells the new Us Weekly.

Gyllenhaal's old costar and pal Paltrow, 38, hosted a private dinner party on Nov. 13 for the hot new couple in the Primrose Hill home she shared with hubby Chris Martin. "Gwyneth seems to have played a role in their relationship," the source adds.

Get more details on Paltrow's intimate party for the lovebirds in this week's Hot Stuff video, as told by Senior Editor Ian Drew and special guest Travis Clark of the band We the Kings.

Also in the roundup: Jennifer Aniston's elaborate Christmas bash at her Beverly Hills manse, how Snooki is slimming down and much more!

Watch the clip now.