As you start off your week with the news of Justin Bieber’s impending nuptials, you might be curious about his fiancée Hailey Baldwin.

And while the 21-year-old model and actress has been on the Hollywood scene for quite some time, you might not be super familiar with her.

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The Biebs and Hailey have a complicated relationship that goes back to 2009, when Baldwin first met Bieber backstage at the Today Show. Since sparks reportedly flew in the green room, the two dated briefly in 2015, before taking a serious break.

“Neither Hailey nor Justin wanted it to be exclusive at the time,” said gossip blogger Kid Fresh. “They were both content to see other people, and when Justin started getting hot and heavy with Selena, Hailey was happy to see him happy.”

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But following Justin’s break with Selena earlier this year, the Biebs immediately called Baldwin and the duo started being seen together more frequently in New York City.

“Two days after the breakup, Justin was in Manhattan having lunch with Hailey,” said Fresh. “So it happened pretty quickly.”

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Now that the two are planning a seriously lavish Hollywood wedding and Hailey’s got an enormous rock on her finger, you’re probably thinking, “Okay, so who is this girl, really?”

Well, just click “Next” to find out…