Mila Kunis and Ashton Kutcher have been dating since the spring and during one of their most recent outings together in Chicago, they were spotted getting "flirty," according to E! News. 

The couple was spotted on Thursday having an early afternoon brunch at Prasino Restaurant and a source said they acted flirty toward one another, "holding hands and whispering as they walked in."

The former "That '70s Show" costars" were photographed in the eatery in laid-back attire. Kutcher wore a fitted cap, a gray zip-up jacket and jeans, while Kunis sported a black leather jacket and a matching black beanie. 

The couple have been reportedly staying in Chicago even before the Christmas holiday, since a fan tweeted seeing them on a flight headed to Chicago on Dec. 12. However, they spent Christmas together in Kutcher's hometown of Cedar Rapids, Iowa, which came just days after Kutcher officially filed for divorce from his ex-wife Demi Moore.

Kutcher and Kunis have been dating since April but only went public with their relationship in the fall. They have even taken their relationship international, traveling together in November to Australia, where Kutcher hosted a business dinner, and back in August to Bali to celebrate Kunis' birthday. Kutcher reportedly took his girlfriend to a five-star resort in Bali as a present for her 29th birthday,

2012 was a big year for Kunis' film career. She first costarred in the comedy "Ted" alongside Mark Walberg and now will be in "Oz: The Great and Powerful," where she will play a witch opposite James Franco, according to E! Online.  She also filmed the thriller "Blood Ties" along with Clive Owen and Marion Cotillard. 

Kutcher continues to have the lead role in the television series "Two and a Half Men" and this year he finished filmed a Steve Jobs biopic called "Jobs," which will debut in 2013.

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