Actress/singer is also rumored to be guest-starring on ‘Glee’ this season. By Jocelyn Vena Jennifer Lopez Photo: Kevin Mazur/WireImage Jennifer Lopez will attempt to “break” prime-time’s most infamous womanizer, Barney (Neil Patrick Harris), when she guest-stars on “How I Met Your Mother” this season.
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Jennifer Lopez Continues TV Blitz With ‘How I Met Your Mother’ Cameo
