How's this for Brotherly Love?

The Rittenhouse Square location of Crumbs Bake Shop closed after business on Valentine's Day, according to a rep at the Cherry Hill location.

The New York-rooted cupcake specialist opened the 18th Street shop in December 2012 as the first Philadelphia-area location.

Its outposts in the burbs - including Cherry Hill Mall , Christiana Mall, Deptford Mall, King of Prussia, and Suburban Square - are apparently unaffected.

In happier cupcake news (because what's happier than a cupcake?): Lily Fischer and Nima Etemadi of the homegrown A Cupcake Wonderland are readying a cafe called Cake Life Bake Shop at 1306 Frankford Ave. in Fishtown. Up for a summer debut.

And then there's the Cake Boss bringing Carlo's Bakery to 21st and Walnut Streets.