Well, not exclusively for gay Valentines. From her publicists:
Beyoncé is helping all couples celebrate love this season! The superstar has launched an exclusive collection of underwear, inspired by the Drake collaboration on her self-titled album, “Mine.” Best of all, the Yours + Mine box set, $40, is customizable for every couple, regardless of gender. It’s available now on Beyoncé.com, at just the right time for Valentine’s Day gifting and is a perfect present for your lover, year-round.
Bolding is theirs. Here’s the link.