The 34-year-old mother of three clearly enjoyed frolicking in the sea with her husband Joe who showed off his toned torso and muscly arms in just a pair of dark blue swim shorts.
'Beautiful day on the beach. Enjoy everyone!' she wrote before hitting the sands.
Seemingly in the Florida city for both work and pleasure, Melissa tweeted on Saturday: 'Miami beach I'm here! Swim week 2013.'
She then headed out for a night out with model Joanna Krupa and rapper and actor Ludacris, posting several pictures of herself on her Instagram account.