FAN GIRL ALERT! Are all the tween girls still alive out there after these tweets? Canadian born heartthrob Justin Bieber and Australian singing sensation Cody Simpson hit up the studio together last night! The Australian posted:

chilled with the mate @justinbieber in the studio tonight. look for some great records coming. #AustraliaToCanada #CoastToCoast

while Justin responded:

alot of good people in the studio tonight. been working hard. tomorrow morning #MjForever

No more information on what the duo was working on, but a song with them together would be fire.

So, does Cody Simpson know what YOU want? The Australian pop sensation has put out a cover song “What You Want” for his fans! The song is paired with quite a … dare we say, sexy?… music video of the singer in all black & white, while dressed in a suit matched with a bow-tie, of course. Check out the song and video above.

After photos surfaced of Cody Simpson on what looked like a date with Kylie Jenner at the Grove in Los Angeles, California, people were questioning whether the two were an item. In the interview above, Cody talks about the pictures, his friends and more. Check it out!

Best friends Jessica Jarrell & Cody Simpson have a new song together! The dup have put out “Ay Na Na”. Check it out above.

Cody Simpson has a brand new music video! The “All Day” and “On My Mind” singer has another new video from his Coast 2 Coast EP, this time for “Angel”. Check out the music video from the Australian superstar above.

Cody Simpson, who has been traveling the WORLD this year promoting his EP Coast 2 Coast took some time out of his busy schedule to perform at a Christmas Tree Lighting at Universal City Walk. Cody sang his hit song “On My Mind” and a version of Elvis Presley’s “Blue Christmas”.

In this video, Cody chats about his world travels, his plans for 2011, his “Evenings In London” cover and his new album! Check out the exclusive interview with Cody above.

Australian pop singer Cody Simpson put out a new video for his fans! Check out Cody hitting the studio and listening to some of his new music. That’s right! You get to hear new Cody songs in the video! It makes us THAT much more excited for his full-length debut album. Check it out in the video above!

Singer Jessica Jarrell is dropping a new EP soon! The singer, who has teamed up with huge names in the past such as Justin Bieber, Diggy Simmons & Cody Simpson, released this new track for all of her fans on her YouTube. Check out “Confetti Falls” in the video above.

So, what does Cody Simpson do before a show? We now know thanks to his younger sister Alli Simpson! During his warmup before his performance at the Atlantis Resort in the Bahamas, Alli recorded this secret video of Cody doing some vocal warmups. Check it out above.

Australian pop sensation Cody Simpson has something new for us! The young star, who has been traveling the world promoting his EP Coast 2 Coast, has created a new cover song for all his fans to enjoy. Taking Drake‘s “Marvin’s Room”, Cody creates his own story in “Evenings In London”. Check out the music video above.