The move comes on the back of a busy season for Henderson, one that hasn't ended just yet, with the 20-year-old currently preparing for the Under-21 European Championships in Denmark.
Speaking for the first time since his move to the Merseyside, Henderson tells liverpoolfc.tv about how excited he is about pulling on a Liverpool jersey.
"I'm over the moon, overjoyed to be here and I'm really looking forward to it. I cannot wait to play at Anfield in front of the Liverpool fans and everything. I'm just excited and I want to get going."
But many of you will be asking, who is Jordan Henderson and why is he such a significant signing?
To answer your questions, here's a guide to the Reds' £20 million midfielder, Jordan Henderson.