Selena Gomez, 19, and Justin Bieber, 18

You know these two. Justin Bieber: R&B protege of Usher. Selena Gomez: his girlfriend. She starred on a Disney channel show, “Wizards of Waverly Place,” now she’s a singer (“Love You Like a Love Song”) with Disney’s Hollywood Records.

Emblematic Tweets:

@selenagomez: Happy birthday to my best friend in the world world!!! Have a great birthday baby! [Link to picture with Justin]

@justinbieber: yeah so it’s true…i got a lil haircut…i like it…and we are giving all the hair cut to CHARITY to auction. Details coming soon

Conspiracy theory: Disney has dispatched honeypot Ms. Gomez to get Mr. Bieber’s platinum voice on a few Hollywood Records singles.

Selena Gomez, 19, and Justin Bieber, 18