She dances on the line between clever self-referentiality and less inspired rehashing on her new LP, committing to the over-the-top excess that first made her a star.

Believe it or not, it’s been 17 years since Lady Gaga first entered our musical lives with her instant-classic pop hit “Just Dance.” Over the years, the 38 year-old has worn many hats — most recently,

Speaking of “Abracadabra,” Lady Gaga may have pulled off the ultimate “Saturday Night Live” magic trick during her two musical numbers in this week’s episode: dancing furiously and singing live. That combination is not for every “SNL” musical guest,