Day 4 challenge is open!

Today's challenge is a blatant attempt at self-promotion! We challenge you to browse the Sweat Pledge shop and buy something for a loved one (such as yourself) for Christmas...

(Don't worry, this is the only day we're this sneaky, but there's gotta be something in it for us, right? Plus, it's Monday, who wants to do anything on a Monday..?)

In case you're resisting the thought of spending money with us, feel free to give us 50 star jumps instead!

Here's our ambassador, Jane Scott, doing the day 3 challenge: