'Prepare to laugh' – Reese Witherspoon 253 steps to becoming an anti-it girl. Funny woman, Instagram star and international comedy sensation, Celeste Barber's Challenge Accepted! is a raucous, hilarious and outspoken guide to life, unwanted gas and how to rock a sexy scar. Part-memoir, part-comedy routine, part-advice manual, Challenge Accepted! is Celeste at her best, revealing her secrets to love, friendship, family and marriage (oh hai, #hothusband), and how to deal with life's many challenges – why she checks the bath for sharks, how Nutella quite literally shaped who she is as a woman, and why being famous on Instagram is like being rich in Monopoly. It's real, like totally, really real.