"These past few days I've been thinking about Britney and everything she is going through," Aguilera wrote on social media.
Justin Timberlake, who dated Britney Spears between 1999 and 2002, took to Twitter to express his support after she spoke in court in a bid to end her conservatorship.
"I am deeply sorry for the times in my life where my actions contributed to the problem, where I spoke out of turn, or did not speak up for what was right," Timberlake wrote in an Instagram post on Friday.
Take a look at 11 of the most unforgettably good—and bad—performances in the show's history.
The "Lean on Me" and "Ain't No Sunshine" singer died earlier this week.
Timberlake issued his wife a public apology after being caught holding hands with his "Palmer" co-star.
She is for medical exemptions, and has a reason why.
Did the Prince tribute impress you?
Highlights include "Flannel," "Breeze Off The Pond" and "Livin' Off the Land."
"Man of the Woods" is his most personal album ever. And it's very rustic.
The singer recently trademarked a new phrase that may be the working title for his next release.
The singer and actor is reportedly close to reaching a deal to perform during the 2018 Super Bowl halftime show. His last appearance famously didn't go all that well.
It's unclear if Fallon will revive his famous "Weekend Update" role in his first appearance on 'Saturday Night Live' in a year.
It became illegal to take photos inside polling locations in Tennessee in 2015.
One Direction cleaned up at the fan-voted awards—despite being on a hiatus.
Highlights and blunders from country music's biggest night.
Hosting's not an easy job, but these candidates can't fail.