Lyndsy Fonseca is an American actress who starred as Colleen Carlton on the CBS daytime soap opera The Young and the Restless. Lyndsy also starred as Penny Mosby on the CBS sitcom How I Met Your Mother and Donna on HBO's Big Love. She was listed at No. 62 on the 2010 Maxim Hot 100. For more Lyndsy Fonseca stories, follow her Snapchat!