UPDATE: A source close to Laivgne says the couple are "technically not married yet." The pair had a wedding party on June 29 in Cannes, France, kicking off their festivities, but the actual ceremony is Monday, July 1. When Mike Heller (CEO of Talent Resources, the talent company that manages Lavigne) tweeted on June 29 that Lavigne was getting married, a second source explains that "he never tweeted the wedding happened, just said he was on his way and excited for his friend." An insider adds, "It is extremely intimate, just close friends and family."
During a Nylon Magazine event on June 11, the 28-year-old told Us that their wedding song would be a new track that they wrote together. "We'll have to release it after," she explained.
As for wedding planning, the "Here's To Never Growing Up" singer said she was the one taking control -- which her fellow Canadian beau, 38, didn't mind at all.
"I've been doing it, I'm the girl," she laughed. "I'm the one who has the crazy vision and he's letting me be me. It's a lot and I just want to make sure I really enjoy this amazing time."
She added, "I want all the guests who come to have this once in a lifetime experience and I want everyone to say 'Wow!' and for it to be special for everyone, not just us."
The couple announced their engagement in August 2012. This will be Kroeger's first marriage and Lavigne's second. She filed for divorce from Sum 41's Deryck Whibley in October 2009 after three years of marriage.
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This article originally appeared on Usmagazine.com: Avril Lavigne Celebrates "Wedding Party" With Chad Kroeger, Not Married Yet