'American Horror Story' Stars: Then & Now 

THEN: The newly minted TV star became an international pop sensation with her 2008 debut studio album

. Critics and fans alike raved about her chart-topping tracks “Just Dance” and “Poker Face.” She’s been creating global smashes since, including 2011’s “Born This Way.” Since then, Gaga has released a third studio album,

, and a jazz collaboration with music legend Tony Bennett. Gaga’s music has earned her six Grammys.

NOW: After reaching out to co-creator Ryan Murphy, Lady Gaga is making her

debut this season as The Countess, the glamorous, lethal owner of the Hotel Cortez. As the chainmail glove-wielding Countess, Gaga will contend with an insatiable appetite for blood and sex.

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