In this photo released by CBS, Jennifer Lopez guest stars as self-help author Anita, who tries to lure Barney, played by Neil Patrick Harris, into falling head-over-heels for her, on the set of "How I Met Your Mother," Friday, Feb. 12, 2010 in Los Angeles.
The episode will air Monday, March 8, 2010 on the CBS Television Network.
The episode will air Monday, March 8, 2010 on the CBS Television Network.
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