Los Angeles (eCanadaNow) - A little Britney Spears can go a long way; her appearance on the TV sitcom "How I Met Your Mother" boosted the show’s ratings to their highest of the season.

When the episode aired on Monday night, it pulled in an estimated 10.6-million viewers, over 2-million more than their weekly average.

Brit was praised for her acting ability, and her polished look on the show.

Meanwhile, you can take part of an on-line auction and own the clothes Britney Spears wore on the “How I Met Your Mother” episode.

The wardrobe can be found on seenon.com with six items up for sale.

Proceeds will go to the Natural Resources Defense Council, benefiting the environment.