Tom Brady and Alix Earle aren’t doing much to quiet those dating rumors ... the two just popped up at the same glitzy event! Before anyone calls it an official couple's debut, though ... they played it smart, not posing together at the opening preview of the new Zero Bond location at Wynn Las Vegas on Saturday. The retired quarterback was all smiles, snapping pics with big names like Michael Rubin , LeBron James , and Corey Gamble ... while influencer Alix kept things cute in a baby-blue look