But many believe it was a secret wedding for 45-year-old Gwynnie and Brad, 47, the co-creator of Glee. But the headline-grabbing event may have been just a dress rehearsal.
When the Oscar victor turned up at the bash in a maroon gown, it was reported the LA do was an engagement party.
On the third finger of her left hand she sported a giant sapphire that looked like it had come from an upmarket Christmas cracker. Reportedly, Paltrow wore a floor-length oxblood, one shoulder designer gown to her engagement ceremony and was accompanied by his fiancee Falchuk who wore a crisp white shirt with a black tux and themed-black tie.
It was also speculated that the party was meant to be the couple's wedding, but it appeared to be about their engagement.
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He told Sunrise their decision to not show the athletes walking through the stadium was made based on the competitor's welfare. England's sprinters have become so dominant that even Usain Bolt is considering coming out of retirement to stop them.
Model Karlie Kross was there along with Gwyneth's mother Blythe Danner who carried a dress bag from Monique Lhuillier, known for her brides' outfits.
The Vogue cover girl was previously Wednesday to Coldplay singer Chris Martin, with whom she has two children - Apple and Moses. Posting a snap of their "incredible evening" on Instagram, she said: 'There will never be adequate words to express our gratitude.
Having eloped with Chris, Gwyneth says she is treating this wedding as her first and is pulling out all the traditional stops.