It was Marilyn Monroe who once said 'a smile is the best makeup a girl could wear' but smiling confidently doesn't always come easy when you're self-conscious about your teeth not being quite as white as you'd like them to be. Well, it seems beauty buffs yearning for pearly whites have found a solution and are raving about teeth whitening brand MySweetSmile, which is backed by dentists and been hailed for 'transforming' smiles and leaving teeth 'so much brighter' without breaking the bank.