Beyoncé is in full prep mode for the 2026 Met Gala , her grand return after a 10-year hiatus. In between final fittings for her red carpet look, the co-host gave fans a taste of what to expect on the first Monday in May. Spoiler: In the spirit of her famous quote, Beyoncé wore "something that says, 'I'm here!'" The designer? Saint Laurent , the Met Gala 's main fashion sponsor. For the last five months, the Grammy winner has kept every element of her 2026 Met Gala gown under lock and key. But her latest Instagram post did all the talking even without a caption. Beyoncé celebrated the 10-year anniversary of Lemonade in a voluminous ballgown from Saint Laurent's Spring 2026 fashion show. Beyoncé was spotted post-Instagram photoshoot in a Saint Laurent ballgown, which teased her 2026 Met Gala look. (Image credit: Backgrid) The "Hold Up" music video 's lemon-colored Roberto Cavalli dress stayed in her archives, though. Instead, she plucked Spring 2026's grape-purple color trend fresh from the runway.…