This Morning viewers accused the ITV daytime show of spoiling an upcoming episode of Long Lost Family on Monday.
The latest instalment of the ITV show saw hosts Phillip Schofield and Holly Willoughby invite two sisters into the studio to share their story.
Natasha and Lee-Ann feature in a new episode of the ITV series, which is fronted by Davina McCall, after they were reunited years after both being abandoned at birth.