The two dated on and off since 2010 but caled it quits earlier this year.
The couple was spotted out having some fun in Brooklyn, N.Y. on Thursday night.
The singer has been on cloud nine ever since he proposed to the model in the Bahamas.
The couple co-starred with Hailey Baldwin’s dad, Stephen Baldwin, on ‘I’m a Celebrity… Get Me Out of Here.’
ET spoke with the reality stars at the DailyMailTV Summer Party.
Baldwin also reportedly got Bieber an engagement ring during their visit to the jeweler.
The 24-year-old singer popped the question to Hailey Baldwin over the weekend, but still has a tattoo of his ex on his left wrist.
It turns out Hailey Baldwin's huge engagement ring from Justin Bieber wasn't entirely perfect.
Justin Bieber may want to take a trip to his tattoo artist soon.
The future Mrs. Bieber is not excited about a fan's recent request for the singer to grow out his mustache for the wedding.
The newly engaged couple made their way back to the Big Apple following their Bahamas vacation, where the singer proposed.
Looks like Hailey Baldwin isn't a fan of everything about her fiance, Justin Bieber.
The future Mrs. Bieber used to be a fan of her fiance's old relationship.
She used a Bieber song lyric to show her excitement!
