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.
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