Answer
No, Connie did not win Britain's Got Talent: The Champions in 2019. Connie is a ventriloquist who performed with her puppet, Vinny. Connie and Vinny had previously won Britain's Got Talent in 2018. However, they did not win Britain's Got Talent: The Champions in 2019. The winner of Britain's Got Talent: The Champions in 2019 was a group of magicians called The Kings of the Universe.