Britney Spears felt annoyed and triggered after Justin Timberlake mocked her apology during a NYC concert.

Britney Spears reportedly felt "annoyed and triggered" after ex-boyfriend Justin Timberlake mocked her apology during a recent NYC concert. Timberlake, who once dated Spears, joked about not apologizing to anyone before performing "Cry Me a River", a song written about their split. Spears had previously apologized for discussing their past in her memoir and praised Timberlake's song "Selfish".