Hilary Duff & Sutton Foster Rock Retro Looks While Filming 'Younger'

Hilary Duff is pretty in pink on the set of Younger!

The 29-year-old singer and actress was spotted filming scenes with her co-star Sutton Foster on Monday (April 17) in New York City.

Both actresses were decked out in some pretty extravagant pink throwback outfits and we can only wonder what they were getting up to!

Hilary‘s outfit was actually head-to-toe Gucci and came with a pretty hefty price tag. It reportedly cost over $5,000!

Between scenes, Hilary kept her outfit dry under an umbrella while she FaceTimed someone on her phone.