Hey I need some help. What's the name of the song that's playing when anne hathoway is dancing at the bachlorette party.

Well I didn't watch the movie but its all songs are

1 Beautiful People - Jason Glover, Dominic Glover and Gary Crockett
2 Bridal Chorus - Richard Wagner
3 Bridal Chorus Petit - Eric Zimmerman
4 Dream - Priscilla Ahn
5 Flute Quartet In C - Paul Fried
6 Get Ready For This - 2 Unlimited
7 Give It To Me Baby - Rick James
8 Happy - Natasha Bedingfield
9 I'm Scared - Duffy
10 I'm Too Sexy - The Hit Crew
11 Jesu Joy Of Man's Desiring - Johann Sebastian Bach
12 Lively Scherzo - Elvio Monti
13 Pretty Please (Love Me) - Estelle
14 Pump Up The Jam - Technotronic
15 Rain On Your Parade - Duffy
16 Something Special - Colbie Caillat
17 Spring - Antonio Vivaldi
18 Tambourine - Eve
19 This Will Be (An Everlasting Love) - Natalie Cole
20 You Me And The Bourgeoisie - The Submarines
21 You've Made Me So Very Happy - Ryan Shaw

If you can write some lyrics of that song then it will be much better and easy but its confirm that your requested song ll be the one of the songs I wrote above.