ET has learned that the 'Modern Family' star is filling in for the model for Wednesday's taping.
The 'Modern Family' star fills the fourth seat on the panel for the show's upcoming 15th season.
ET spoke with Heidi Klum and the judges of 'America's Got Talent' ahead of its upcoming 15th season on NBC.
The 'Modern Family' actress has joined the 'AGT' cast for the show's upcoming 15th season.
NBC announced Sofia Vergara and Heidi Klum as new judges for Season 15 of 'America's Got Talent.'
Klum and Vergara will take over following the exits of Gabrielle Union and Julianne Hough.
Find out who took home the ultimate trophy following Monday's grand finale!
ET takes you inside the biggest parties of the night!
ET spoke with Heidi Klum at the Elton John AIDS Foundation 28th Annual Academy Awards Viewing Party.
The former 'Project Runway' stars unveil details about their new Amazon fashion competition series.
Monday's new episode saw Cowell praising 'the Dark Side.'
13-year-old Angelina Jordan wowed the judges with a soulful cover of Queen's 'Bohemian Rhapsody.'
ET spoke with the AGT judges ahead of their season two premiere.
'I didn't expect it for everyone to be this welcoming.'
