Lara Spencer, 55, took to Instagram on Thursday ... The chat show host even gave us a look inside her private bedroom when she took a photograph of her dogs enjoying a rest on her bed.

Lara Spencer was overjoyed to be able to share ... with photographic memorization of *all* lyrics and posters in my bedroom," ...

Good Morning America co-anchor Lara Spencer experienced a jaw-dropping moment when a celebrity trainer bared his chiseled stomach on air.