The singer-songwriter, who won season 11 of AGT in 2016, celebrated turning 21 on Wednesday, January 15 in a series of photos and videos posted to her Instagram. VanderWaal's carousel showed her in a glittering sequin minidress with her signature blonde bob with the caption, "21🤍. In one clip she winked and blew kisses to the camera.

America’s Got Talent' winner Grace VanderWaal shares a peek at her showstopping look on Instagram, striking several sexy poses in her shimmering mini! I've driven through 49 states. Here's the most incredible spot in each region of the US.