Gwyneth Paltrow was all smiles posing arm-in-arm with her lookalike daughter, Apple Martin, and her mom, Blythe Danner, as the three generations united at a recent garden party. The sweet family moment came as the Goop founder co-hosted a dinner with Gucci and fashion stylist Elizabeth Saltzman at her home in the Hamptons, New York, on Saturday. The soiree served as a celebration of Gucci's Summer Stories collection and Goop's new skin-care product, Youth-Boost Peptide Serum.Paltrow, 50, looked stunning as ever in a printed two-piece set by Gucci with white sandals.