Singer-actress Hilary Duff reportedly is dating singer-producer Matthew Koma, a Seaford native.

Us Weekly says that “Younger” star Duff, 29, spent Martin Luther King Jr. Day weekend in California, at Santa Barbara’s San Ysidro Ranch — where she had spent her honeymoon night with former New York Islanders center Mike Comrie when the two married in August 2010. Duff and Comrie announced their separation in January 2014 and their divorce was finalized two years later.

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The magazine said Duff and Koma, also 29, were seen kissing while having coffee with friends at Gasolina Café in Los Angeles’ Woodland Hills neighborhood Saturday, and that in the afternoon the couple arrived at the ranch resort. The following morning they reportedly had breakfast at Jeannine’s in nearby Montecito.

Duff and Koma worked together on Duff’s 2015 album “Breathe In. Breathe Out.”

Koma, born Matthew Bair, had attended his first concert, a Bruce Springsteen show at the old Nassau Coliseum, at age 3 with his parents. Starting out as a singer-songwriter, he was signed by Jimmy Iovine to the famed producer’s Interscope label in 2011. The following year, Koma released the EP “Parachute,” opened for LMFAO on a tour that included the Coliseum, and co-wrote “Calling (Lose My Mind),” an electronic dance music hit for Sébastian Ingrosso featuring Alesso and Ryan Tedder. He also came full circle that year by coproducing Bruce Springsteen’s remix of “Rocky Ground.”

Koma went on to EDM hits including Zedd’s “Spectrum” and Alesso’s “Years.” This past Nov. 4 he released “Kisses Back,” the first single from his forthcoming RCA album.

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After Duff broke up with Comrie, with whom she had son Luca Cruz, 4, she dated personal trainer Jason Walsh, Us said. Koma had dated singer Carly Rae Jepsen in 2012.