See which contestants moved on to the big finale and who was sent home emptyhanded.
The semifinals kicked off on Tuesday, and Williams was among the top performers of the night.
The last batch of hopefuls will find out if they are moving on or going home and ET is breaking down all the biggest moments.
It's been a rough season for stand-up comics on 'AGT.'
During the third live quarterfinals results show of season 15, the actress's former onscreen husband paid her a special virtual visit.
The outspoken judge had to sit out another episode while recovering from an injury he sustained earlier this month.
The 'Saturday Night Live' star sat in for the longtime judge on Tuesday.
'AGT' returned with live shows from Universal Studios Hollywood. See who made it onto the next round.
'AGT' returned on Tuesday with live shows from Universal Studios Hollywood.
ET exclusively spoke with Simon Cowell and Sofia Vergara ahead of the show's return to NBC on Tuesday.
Crews says he's continuing to work towards 'reconciliation.'
'AGT' season 15's live quarterfinals are around the corner, and here's a look at who will be facing off first!
'America's Got Talent' returned Tuesday for season 15's judge cuts, and one act left the judges in awe.
ET spoke with Terry Crews and Andy Samberg about conversations that producers of the show are having surrounding the important topic.
