Her rep confirmed in February that she split with her fiancé, and Avril went on to debut a romance with Tyga days later.
The Vanderpump Rules stars split in March, with him offering a public apology.
"Most of all, I want to apologize to Ariana," Tom said on Instagram. "I made mistakes, I was selfish, and made reckless decisions that hurt somebody I love. No one deserves to feel that pain so traumatically and publicly."
The TikTokers announced their split in March. "We will always be there for each other and look fondly on the love we shared," they wrote on their respective Instagram Stories. "No one is at fault, and we came to this decision mutually."
The Real Housewives of Atlanta alum and her fiancé broke up about a year after they got engaged. The pair, who share daughter Emma, wrote, "It is with deep sadness in our hearts that we have decided to end our journey as a couple."
The former Teen Mom star filed for divorce from Ryan after nearly six years of marriage.
The pair broke up after five years together. The Game of Thrones star shared on social media in February that it was "the end of an era."
The singer split with the CEO of Lox Club, per a newsletter sent to the dating app's subscribers that noted, "Austin is single again."