From a brief backstage meeting to a whirlwind romance, the love story of pop sensation Justin Bieber and model Hailey Bieber has been nothing short of a fairy tale. Here's a look back at the key moments that defined their relationship.

November 2009: A Chance Meeting The duo's first encounter was backstage at the Today show, thanks to Hailey's father, Stephen Baldwin, who was friends with Justin's mother, Pattie Mallette.

February 2, 2011: Reunion at a Premiere Two years after their initial meeting, Hailey and her father attended the premiere of Justin's documentary, "Never Say Never." Despite finding Justin "cute," Hailey maintained she wasn't a fan.

2011: Hailey Supports Justin and Selena While not a "Belieber" herself, Hailey publicly supported Justin's relationship with Selena Gomez, even praising Selena's looks on Twitter.

November 10, 2014: Bonding at Church The two reconnected at a Hillsong Church service in New York, where they were spotted with model Kendall Jenner.

December 15, 2014: Romance Rumors Swirl Following their church outing, the pair faced romance rumors. However, both insisted they were just friends. Justin even clarified his relationship status on Instagram, stating he was "super single."

December 31, 2014: New Year's Together Despite dismissing dating rumors, the duo confirmed they celebrated the New Year together.

December 2015: Vacationing in Mexico The pair's closeness was evident when they vacationed in Tulum, Mexico. They even shared a memorable kiss at Leonardo DiCaprio's New Year's Eve party.

February 11, 2016: Justin Opens Up In a GQ interview, Justin referred to Hailey as someone he "really loves," hinting at the possibility of marriage in the future.

2016: A Brief Split Their budding relationship faced a setback when they decided to part ways after Justin's GQ interview.

June 2018: Rekindling the Flame The duo found their way back to each other at a church conference in Miami. Their common ground? Their shared faith.

July 7, 2018: A Surprise Engagement Only a few weeks after their public appearances, TMZ reported their engagement. Justin later confirmed the news on Instagram.

September 2018: Moving in Together The couple began living together in Justin's house outside of Toronto.

September 13, 2018: Courthouse Wedding The lovebirds were spotted at a New York City courthouse, obtaining their marriage licenses.

September 30, 2019: A Grand Celebration A year after their courthouse wedding, Justin and Hailey celebrated their love with a lavish ceremony at the Montage Palmetto Bluff in Bluffton, S.C., surrounded by 154 guests.

From their initial meetings to their grand wedding celebration, Justin and Hailey Bieber's journey has been filled with ups and downs, but their love story remains one for the ages.