Actor Marcus Scribner, known for his role in "Boston Blue" on "Boston Blues," has confirmed his engagement to fiancée Sherri Shepherd on the daytime talk show on March 12. The news came after Shepherd questioned Scribner about a photo he posted on Instagram showing a close-up shot of him holding hands with a mystery woman wearing a diamond engagement ring. Several celebrities congratulated Scribner in the comments section, including Keke Palmer, Francia Raisa and Jenifer Lewis. Despite choosing to keep his fiancé's identity private, Scribner also revealed that his wedding will be child-free, with one exception being his 3-year-old brother as the ring bearer.