Beyoncé and Others Attend Erica Reid's Book Launch Party!

At a private residence in New York City, Beyoncé attended the launch party for Erica Reid‘s book "The Thriving Child," Tuesday May 8th.

The party was hosted by Erica's husband, record executive and X Factor judge L.A. Reid.

The book, which is in stores now, is about Erica's journey through raising two children with allergies, asthma, and other common challenges. It also features in-depth prescriptive advice from top experts, including doctors, and celebrity mothers.

Also pictured inside: Mary J. Blige, Jay Z and mother, Tina Knowles.

Images: WireImage