Australian comedian Celeste Barber has sent makeup lovers racing to buy a $12 beauty tool she insists is the best she's ever tried - and you can get it in Woolworths. The ultra-relatable funny woman, who was recently announced as the new face of vegan, cruelty-free beauty brand MCoBeauty, took to Instagram stories to plug her favourite products - including a mascara she claims is her favourite of all time. 'Honestly, I'm the last person who should be giving beauty advice, so I won't,' the 38-year-old said in a video uploaded on February 1. 'All I'll say is I'm absolutely obsessed with the pro...