Courtesy of ABC Dos and don'ts on dating The Bachelor

It's been a big couple of days for Sean Lowe. Monday night he was publicly reunited with Catherine Giudici, his "Bachelor" finale choice, and the two announced they are ready to get married and want to do it as a televised event for ABC.

Now Lowe has announced he's joining the cast of "Dancing With the Stars." The hunky blonde revealed his big news on "Good Morning America" Tuesday morning.

He says he's already in training with Peta Murgatroyd, his professional partner, and adds, "Hopefully, I won't make a fool of myself on the dance floor."

Previous "Bachelor" franchise competitors on "DWTS" include Jake Pavelka in Season 10 and Melissa Rycroft in Season 8 and All-Stars, which she won.

Editor's note: Join QMI online entertainment editor Marianne Dowling for a "Dancing With the Stars" live chat starting at 8 PM ET Monday, March 18.