Avril Lavigne Announces Separation From Nickelback Frontman Chad Kroeger

Things got complicated.

Avril Lavigne and Nickelback frontman Chad Kroeger are separating, the 30-year-old "Sk8er Boi" singer announced in an Instagram post on Wednesday.

"It is with heavy heart that Chad and I announce our separation today," she wrote. "Through not only the marriage, but the music as well, we've created many unforgettable moments. We are still, and forever will be, the best of friends, and will always care deeply for each other."

PHOTOS: Avril Lavigne's Ex Deryck Whibley Is Married – See the Romantic Photos!

"To all our family, friends and fans, thank you sincerely for the support," she concluded.

Avril and 40-year-old Chad married in the South of France on July 1, 2013.

Last November, Chad actually defended his marriage against divorce rumors to ET Canada.

“You know, my dad calls me up and he's just like, 'I haven't slept in two days, what's going on?'" he said. "I'm like, 'Dad, you're not buying all this crap are you?' You know, I get to hear all the rumor mill stuff. I find it very amusing."

Last July, Avril tweeted out a picture of a giant ring Chad had gifted her for their one-year anniversary, writing (in a tweet she has since deleted), "I still can't believe my 1 year anniversary gift. 17 carat emerald cut. Wow. I love my hubby."


However, Avril would spend her 30th birthday in Las Vegas that September without her rocker husband.

"My sister Amie and my best friend," she wrote in a tweet. "Family is forever."

This was Avril's second marriage, after her first, to Sum 41 singer Deryck Whibley, ended in 2010. Derrick remarried in a Los Angeles ceremony over the weekend.

Meanwhile, Avril joined Taylor Swift to perform "Complicated" on a Los Angeles date of Taylor's 1989 World Tour. She posted a picture of the night, writing, "Such a Pleasure to perform her hit song "Complicated" tonight with @taylorswift on her #1989 world tour! She ROCKS."

WATCH: Avril Lavigne Breaks Down in Tears Over Her Battle With Lyme Disease

Watch a newly wed Avril paint a very different picture of married life with Chad in 2013 below.