"Thank you #ryanmurphy for the most incredible evening to celebrate our ❤", Paltrow wrote. She has yet to confirm, however, that they Wednesday leaving her fans guessing.
The 45-year-old actress showed off her enviable figure in one shot of her on the beach in Cabo smiling broadly at the camera.
The star was married to Coldplay front man Chris Martin.
She said: "I've never had a wedding before". @georgieeisdell thank you. @hairbylorenzomartin thank you.
The actress added, "Thank you to all of our unbelievable true and dear friends who came to support us".
At first many believed that Paltrow was tying the knot with Brad as she had many friend as well as her mother were there.
The traditional attire of the bride, in their opinion, brought mom Paltrow at the entrance to the theatre Blythe Danner was spotted with a garment bag, which bore the logo of a wedding designer Monique Lhuillier.
And she also did not have a wedding band on, only a corsage on her wrist.
But if her friends' Instagrams are any indicator, it was just a massive engagement party blowout, thrown my the couple's mutual pal, Glee creator/director/producer Ryan Murphy.