The "Mortdecai" star and her fiancÃ© Brad Falchuk were overjoyed to have the support of their friends as they marked their upcoming nuptials with an event at Los Angeles Theatre.
Paltrow wore a one shoulder maroon dress and looked absolutely stunning.
She later posted an adorable snap of herself posing with her husband-to-be, 47, alongside the caption: "Thank you #ryanmurphy for the most incredible evening to celebrate our love".
'There will never be adequate words to express our gratitude, ' said the GOOP founder.
'Thank you to all of our unbelievable true and dear friends who came to support us'.
Nearly the entire Hollywood industry turned up at the event which was dubbed as an engagement party to reportedly keep the paparazzi off the venue. We feel like the luckiest people on the planet because we have you in our lives.
The football world reacts as Man City win the Premier League
Henry, who implored him to emulate his City performance on a more consistent basis, said that such displays prove he can not .
Protests in Chennai after professor caught luring students into prostitution
Philosophy professor Kerry Cronin told her students to ask someone out on a date, where it didn't involve alcohol or physical contact.
Restaurants, businesses offering tax day deals as deadline approaches
Tax Day is nearly here, and while it's never fun to owe money to the government, at least you can get some free stuff out of it. Hooters: When you spend more than $10 on an adult meal, kids younger than 12 will receive a free Hooters Kids Meal April 14-17.
And on Saturday night her mother, actress Blythe Danner, 75, held a suit carrier emblazoned with the name of Monique Lhuillier, a high-profile wed- ding dress designer.
Paltrow and Falchuk met when the actress guest-starred on Glee in 2010.
Also there were Jennifer Aniston, Reese Witherspoon, Liv Tyler, Kate Hudson, Julia Roberts, Karlie Kloss, Cameron Diaz, Chelsea Handler, Demi Moore and Stella McCartney. Paltrow and Falchuk announced their engagement in January after three years of dating.
Gwyneth is divorced from Coldplay singer Chris Martin, 41, the father of her two children, Apple, 13, and Moses, 12.
Gwyneth just returned from a girls' weekend in Cabo San Lucas, Mexico where she celebrated her "hen weekend" (aka bachelorette).