ET has learned T.J. Holmes had an affair with a former 'Good Morning America' producer before his romance with co-host Amy Robach.
Holmes opened up about marriage when he auditioned to be a host for Entertainment Tonight.
The romance lasted 'a few years,' a source tells ET.
In 2014, T.J. Holmes told ET, he wants everyone to walk down the aisle at some point.
'GMA' co-anchors T.J. Holmes and Amy Robach joke about the week they've had after their secret relationship went public.
The co-anchors' romance was revealed earlier this week.
Check out this full episode of ET's The Download, breaking down all the must-know entertainment news stories from Thursday, Dec. 1.
'GMA' co-anchors T.J. Holmes and Amy Robach appear together on-air for the first time after news broke of their secret romance.
Al Roker is still in the hospital following his treatment for blood clots.
T.J. Holmes and Amy Robach returned to co-anchor ‘Good Morning America’ on Thursday, following news of their secret relationship.
The 'GMA' anchor's estranged husband has wiped her from his Instagram.
The co-hosts and couple appeared side-by-side on Thursday's episode of their 'GMA3' show.
After news broke of T.J. Holmes and Amy Robach’s secret relationship, a past post from T.J. to his wife, Marilee Fiebig, went viral.
A source told ET that Holmes and Robach's romance had been 'going on in secret for quite some time.'
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