A source tells ET, meanwhile, that some NBC staffers aren't surprised by the news.
The journalist's morning news colleagues weighed in after the news broke, including Gayle King, Robin Roberts and Megyn Kelly.
A source at NBC tells ET that the alleged instances occurred "throughout 2014."
The TV personality also brought up her late husband Frank's infidelity when addressing the sexual misconduct allegations against Lauer.
The journalist admitted that the sexual misconduct allegations against Matt Lauer "hit close to home."
Morning show anchors across all networks reacted to the shocking news.
The ‘Today Show’ announced the news on Wednesday.
TV's biggest talk shows pulled out all the stops on Tuesday.