The Drunk In Love singer launched the sets just in time for Valentine's Day.
Beyonce is selling 40 dollar (£24) sets - containing one black boxer and brief, two black boxers or two black briefs - on her website.
Fans can purchase a pair of black boxers or briefs with "mine" written on them in pink print, with a matching pair of black boxers or briefs saying "yours".
The Crazy In Love singer also sells tank tops, t-shirts and sweatshirts on her website, as well as her music and fragrance.
COMMENT RULES: Comments that are judged to be defamatory, abusive or in bad taste are not acceptable and contributors who consistently fall below certain criteria will be permanently blacklisted. The moderator will not enter into debate with individual contributors and the moderator’s decision is final. It is Belfast Telegraph policy to close comments on court cases, tribunals and active legal investigations. We may also close comments on articles which are being targeted for abuse. Problems with commenting? firstname.lastname@example.org
Your leadership ability is at an all time high. Take this opportunity to pursue a cherished dream. In the past, rivals moved to block your path. Now all opposition will vanish into thin air. The difference is your level of determination. You're no longer willing to give up on your plans for the sake of fitting in. Being different is a source of pride for you. This ability to stand apart from the crowd will make you invincible. Stop looking to others for cues.More