Heidi Klum and Sofia Vergara are ageless bombshells in busty frocks as they arrive for the America’s Got T…see more

Heidi Klum and Sofia Vergara are ageless bombshells in busty frocks as they arrive for the America’s Got Talent finale performances

Heidi Klum and Sofia Vergara made jaws drop as they hit the red carpet ahead of part one of the America’s Got Talent finale on Tuesday night in Pasadena, California.

The stunning duo co-judge the talent competition show with comedian Howie Mandel and creator Simon Cowell on NBC.

Hosted by actor Terry Crews, America’s Got Talent kicked off its nineteenth season in May with eight weeks of auditions.

After six weeks of live quarterfinal and semi-final rounds, 10 remaining acts performed Tuesday night in one last bid to win the $1 million grand prize.

The winner of America’s Got Talent will be revealed during the September 24 finale show.

For the big night, Heidi and Sofia posed up in their most eye-popping frocks before heading to the judges panel.

Heidi dazzled in a low-cut purple sequin dress that hugged her enviable curves.

The German model, 51, accessorized with a diamond choker necklace.

Her sandy blonde curls tumbled down her back and chest as she put on an animated display for the cameras.

As for makeup, the mother-of-four rocked sultry brown smokey eye paired with a nude lip and radiant peach blush.

She strutted around the venue in sky-high strappy silver heels.

As for Sofia, she showed off her impressive cleavage in a plunging orange wiggle dress.

The fitted frock had a large bow situated on one shoulder and a corset-like bodice that emphasized Sofia’s hourglass curves.

The Modern Family, 52, wore her brunette hair down and opted for her go-to glam makeup.

Her makeup artist paired classic winged liner with a matte mauve-toned lip.

Heidi and Sofia looked to be having a blast on the red carpet on Tuesday night.

The dynamic duo often wrapped their around one another as they smiled in the direction of shutterbugs.

Howie looked ultra stylish as he arrived wearing a chic black suit with a skinny tie.

The standup star, 68, threw on shiny dress shoes and round-frame sunglasses to complete his finale outfit.

Wearing his signature black T-shirt and jeans combo, Simon made a brief red carpet appearance.

The British media mogul, 64, gave the cameras a thumbs up before taking his seat inside the theater.

Earlier in the day, Klum took to her Instagram Story to speak about her excitement for the finale performances.

‘Today is the last day of America’s Got Talent. I can’t wait to see the show tonight,’ she said.

It is the last night for the top 10 to show their skills before a winner is announced next week.

‘I actually have two golden buzzers in there. Dee Dee (Simon) and Richard (Goodall),’ Heidi told her 12.2 million followers.

Goodall, 55, is a school janitor from Terre Haute, Indiana who entered the competition at the encouragement of the students at his school.

Meanwhile, Simon is a nurse at California’s San Quentin State Prison.

‘I can’t wait to see what they’re singing and how good it’s going to be. I’m sure it’s going to be amazing,’ she gushed.

The top 10 also includes: aerialists Sebastian and Sonia, dance group AIRFOOTWORKS, the Hakuna Matata Acrobats, dance group Brent Street, comedian Learnmore Jonasi, human-canine dancers Roni Sagi & Rhythm, drone artists Sky Elements and quick-change magician Solange Kardinaly.