Heidi Klum, Sofia Vergara and Simon Cowell arrive on set of America's Got Talent in Pasadena

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Heidi Klum, Sofia Vergara, and Simon Cowell looked cheerful as they arrived to America's Got Talentfilming in Pasadena on Saturday.The German supermodel, 48, and the Modern Family star, 49, were glamorous as ever, with Heidi rocking a green and black coat andSofia looking chic in an olive silk shirt and pants set.MeanwhileCowell, 62, sported his usual laid-back style, wearing a blue T-shirt, jeans, and black boots.

Co-workers: Heidi Klum, Sofia Vergara, and Simon Cowell looked cheerful as they arrived to America's Got Talent filming in Pasadena on SaturdayThe entrepreneur paired the look with black shades and sported a brace on his injured wrist.

Heidi paired her stylish look with thigh-high black high-heel boots and a large red handbag.The runway sensation accessorized with a round pair of reflective sunglasses and wore her long blonde tresses in a straight style.

Laid-back:Cowell, 62, sported his usual laid-back style, wearing a blue T-shirt, jeans, and black boots Outfit change: The ladies switched out of their outfits later in the day, as they teamed up to film a skit for the show Meanwhile Sofia added a bit of color to her outfit with an oversized Christian Dior pink, yellow and black tote.She wore her long brunette strands parted on the side and gently flowing down her shoulders.The Colombian beauty shielded her eyes from the sun with large black shades and wore a pair of nude stilettos.