Gaga most hit

Lady Gaga has become the first pop artist to be viewed on YouTube more than a billion times.

Lady Gaga has become the first pop artist to be viewed on

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YouTube

more than a billion times.

Three of the singer’s promos have become favourites on the site — Poker Face has received 374,606,128 hits, her debut

Just Dance

stands at 272,941,674 and

Bad Romance

has been watched 360,020,327 times said video analytics company Visible Measures.