New Boo ??? TMZ.com
Cardi B continues to fuel romance rumors with Stefon Diggs ... 'cause the two painted Miami "Bodak Yellow" late Friday night.
TMZ has obtained videos and photos showing the rapper and the NFL wide receiver arriving to a Miami hotel in the wee hours of Saturday morning ... with Cardi dressed up all sexy in a revealing dress.
Check it out ... Cardi's dress is clinging to her frame -- and, when she bends forward, her entire bust is on display.