Birthday

Birthday
Birthday is one of the 42 tracks available in Just Dance Mashup. This is the second revealed Katy Perry song in the game, after Firework and following it is This Is How We Do.

Dancer(s)
There is a total of 7 dancers in this routine and they are:
 * 1) Birthday [Main Dancer]
 * 2) Its My Birthday (Indian)
 * 3) Firework
 * 4) Moves Like Jagger [C1]
 * 5) Moves Like Jagger [C2]
 * 6) Moves Like Jagger [C3]
 * 7) You Make Me Feel...

Background
In the first verse, the background is a simple pink and white background. As the chorus begins, the background changes into a room full of cake plus a huge one that the coaches dance on, balloons start flying upwards, and the place is lit with disco light. In the bridge, the background returns to the pink and white one, but now, 2 huge cupcakes come from each side, the same happens in the second bridge, but instead of having a pink and white color scheme, it turns to a blue and white color scheme.

Gold Moves
There are 4 Gold Moves in this routine, 2 are done by Move Like Jagger [C1] dancer, and the other 2 are done by the Move Like Jagger [C3] dancer.

Trivia

 * This routine is the 2nd most angled routine revealed, the most angled routine is Hey Mama (Classic).