LONDON, Nov 23 (Reuters) - Britain"s Marks & Spencer (MKS.L) has bought a 25% stake in womenswear brand Nobody"s Child, as it seeks to accelerate a revival in its clothing arm, it said on Tuesday. The investment in Nobody"s Child is part of the group"s "Brands at M&S strategy" which utilises different models including wholesale agreements, exclusive collaborations, strategic acquisitions, such as January"s purchase of Jaeger, and equity investments. read more The aim is to broaden the appeal of M&S"s clothing business. The group now trades with more than 30 partners from Sloggi lingerie to Ghost dresses to Clarks school shoes. M&S first partnered with Nobody"s Child in September 2020. "From the outset, Nobody’s Child was popular on M&S.com and it continues to drive traffic as the most visited guest brand," M&S said, noting its range of midi dresses has been particularly popular. M&S did not disclose how much it paid for the stake. Earlier this month M&S beat forecasts for first-half profit and upgraded its earnings outlook for the second time this year, sending its stock soaring on bets that one of Britain"s most elusive corporate turnarounds could finally materialise. read more Shares in M&S are up 80% so far this year. They rose 2% on Monday after a report in The Sunday Times said U.S. investment firm Apollo Global Management (APO.N) has been "running the rule" over the firm. read more Reporting by James Davey, Editing by Louise Heavens