The former Disney star split from her girlfriend in February and boyfriend earlier this week.
The couple is spending some quality time together post-awards season.
The singer gushed about how hardworking her man is and said she watches him in "pure amazement" every Sunday.
"I am not proud of my recent actions."
The 'Twilight' alum wasn't afraid of showing a little PDA during The 1975's set.
The singer is performing his final 'MOTW' concert in Connecticut on Saturday.
The newly engaged couple was spotted sharing a passionate kiss on the festival grounds.
The 21-year-old actress has a lot of love for her 'Teen Spirit' director.
The boy band talked about the magic of the ballad and Knight's impromptu performance of the hit at his 2004 wedding.
The couple's daughter, True, will be celebrating her first birthday on Friday.
The couple announced their engagement on March 9.
The two checked out a friend's Hollywood gig before hitting up bars.
Despite all the drama, these two are still all about each other.
ET spoke with the country superstar ahead of the ACM Awards.
