From OK! Magazine:
“She loves the Belly Bandit products – she went to Pea in the Pod twice while she was pregnant to stock up ready for the birth. She got their belly wraps, shaping leggings and tops, corsets and underwear and she really thinks it has helped get her body back on track,” said a source.
From Celebrity Insider:
"In addition to hitting the gym, Beyoncé was spotted shopping for shaping underwear and belly trainers at the Pod boutique store in Beverly Hills."