The "White Collar" star became a trending topic Monday morning after the star tweeted a photo of her daughter Harper Renn Smith in a spiderman mask.
"My little spidergirl #disneystore #kidfun," Thiessen wrote on Twitter Sunday along with a link to a photo.
Harper, 3, is the 39-year-old actress' only daughter with husband Brady Smith.
Thiessen has been starring as Elizabeth Burke in USA Network's TV show "White Collar" since 2009.
Notable deaths of 2014 [PHOTOS]