This week American Top 40, brings you one of the hottest videos of the year, Britney Spears‘ alternate version of “Till the World Ends.” We know you all love her, and it seems like Britney is unstoppable this year with this contagious hot new track! Next, see the controversial and edgy red-lipped cover art of Lady Gaga‘s “Born This Way” album. Lastly, you can enter to win a trip for two to Los Angeles to attend KIIS FM’s Wango Tango 2011, hosted by our very own Ryan Seacrest and special guest host Britney Spears!

1) Britney Spears “Till the World Ends”

If you want a song you can dance till the world ends to, then you got it! Written by Ke$ha, this song is nothing short of being the ultimate party tune. The next time you’re about to hit the town, make sure to bump up this hot track!

2) Lady Gaga “BORN THIS WAY” cover art

Little monsters, this one’s for you! Shortly after the leak of her single, “Judas,” Lady Gaga released the cover art for her “Born This Way” album set to be released May 23rd. With Gaga resembling an edgy motorcycle along with those bright red lips, we could expect nothing less from her! So what do you think? Too much? Too unusual, or not unusual enough? Let us know!

3) Superfan Flyaway to a Hot LA Concert!

It’s a Superfan’s dream – the chance to see not just one of your favorite artists in concert, but ALL of them! Enter today for the chance to win a trip for 2 to LA to attend KIIS FM’s Wango Tango 2011, hosted by our very own Ryan Seacrest and special guest host Britney Spears! This year’s HOT line-up includes Jennifer Lopez, Jason Derulo, Selena Gomez, Matthew Morrison from GLEE, and more. ENTER HERE