Gwyneth Paltrow brings mom Blythe Danner, 81, and husband Brad Falchuk’s mom on fun outing with Katy Perry and her daughter Daisy, three, to botanical gardens in Santa Barbara

Gwyneth Paltrow treated her family to a fun-filled outing with another A-list celebrity on Sunday. The 51-year-old Oscar winner — who recently opened up about becoming an empty…