In the pictures, Gomez could be seen posing with Mingus and Anna Collins in a strapless, hot pink ball gown and black ... "Selly in prom dress giving princess ️💕," shared another Instagram ...

The singer brought out a hot pink ballgown to celebrate her fiancé ... to the Season 5 reunion earlier this year. “Selly in prom dress giving princess,” one fan wrote in the comment section.