Rolling Stones frontman Mick Jagger is embracing the quiet life – by becoming a sheep farmer! RadarOnline.com can reveal the veteran singer, 81, has rescued the animals and moved them to the grounds of his countryside property in France. The former womanizer, who was also notorious for his drug-fuelled parties, now gets his kicks from looking after pets. His partner Melanie Hamrick, 37, said: “We rescued the sheep. I had mentioned it would be nice to have some. “I told someone in the area, and they told me about a farmer who had a mother and three baby sheep that he didn’t want. I said: ‘We’re…