Plenty of stars have accepted the Ice Bucket Challenge, including ABC's season 18 Bachelor Juan Pablo Galavis. Now it's Galavis' turn to challenge three others, and he's bringing girlfriend and The Bachelor winner Nikki Ferrell in on it.

Juan Pablo Galavis & Nikki Ferrell Might Be Ready For The Next Step

"I ACCEPTED your #IceBucketChallenge @DynamoGirls @rodolfoelchamo," declared Galavis on Twitter Sunday, "IT's @Nikki_Ferrell @grievisvaquez @ochocinco TURN."

Ferrell's pal and Bachelor/Bachelorette alum Andi Dorfman had teased Ferrell about the challenge back on August 13, claiming on Twitter that her friend "might" do the challenge, to which Ferrell declared, "Game on!"

Juan Pablo Galavis, Nikki Ferrell Public Appearance Chatter

Nonetheless, it seems Ferrell has yet to actually take the challenge, and so her boyfriend stepped up and formally challenged her over the weekend after he himself was showered in ice water.

Ferrell has yet to respond to Galavis' post, though she was on Twitter Monday morning talking about her lost passport, indicating that she's probably seen Galavis' challenge even if she hasn't acknowledged it just yet.

The Ice Bucket Challenge is a public call to raise funds and awareness to help battle ALS. To participate, an individual publicly displays a video of him or herself getting showered with ice water from a bucket, then challenge others to do the same. The challenged then have the option of completing the task, donating $100, or in many cases both.

The challenge has become a social media phenomenon, having raised over $13 million this summer.

Tags: The Bachelor ABC Reality TV