Christine Baranski and King Princess might be laying all their love out there as the stars sparked romance rumors when holding hands on the red carpet this week for Broadway’s “Mamma Mia!” limited revival .

The “Gilded Age” actress, 73, held hands with the 26-year-old Brooklyn-born “1950” singer, real name Mikaela Straus, in a post shared Wednesday by the latter .

“#loveislove,” King Princess, who identifies as a lesbian, captioned the photo, snapped Monday outside the Winter Garden Theatre.

Representatives for Baranski and King Princess did not immediately respond to the Daily News’ request for comment.

Supporting “Mamma Mia!” is a return to form for Emmy and two-time Tony winner Baranski, who starred in both film adaptations of the ABBA jukebox musical.

Those who have been

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