Bottomless anything is good, especially if it involves champagne. Just order brunch at the Coterie Room or Ma'ono (both pretty damn great) and your mimosa ($10 at the former, $12 at the latter) will have no bottom.
Adrian Ryan says Sylvia O’Stayformore’s drag brunch “features entertainment not only from her own fine self but also a rotating handful of very talented performers. And it is surely the most adventurous of them all—as it features a train ride (magical!), and it happens at the glamorous Royal Room.” $8.