Disclosure:
Have never heard or seen gaga or bieber perform or even speak. Only aware of these "stars" through their promotional advertisement and headlines. So maybe they are very talented.

[ame="http://en.wikipedia.org/wiki/Lady_Gaga"]Lady Gaga[/ame]

... initially signed with Def Jam Recordings at the age of 19 ...

Def Jam Recordings founded jew Rick Rubin.

Herbert was quick to sign her to his label Streamline Records, an imprint of Interscope Records, upon its establishment in 2007. She credited Herbert as the man who discovered her

Interscope Records was founded by jew Jimmy Iovine.

She also joined the roster of Cherrytree Records, an Interscope imprint established by producer and songwriter Martin Kierszenbaum, after co-writing four songs with Kierszenbaum including the single "Eh, Eh (Nothing Else I Can Say)."

Cherrytree Records was founded by the jew sounding Martin Kierszenbaum.

[ame="http://en.wikipedia.org/wiki/Justin_Bieber"]Justin_Bieber[/ame]

While searching for videos of a different singer, Scooter Braun, a former marketing executive of So So Def, clicked on one of Bieber's 2007 videos by accident. Impressed, Braun tracked down the theater Bieber was performing in, located Bieber's school, and finally contacted Mallette {Justin's mother}.

Discovered by jew Shmuel Ben Eliezer, aka Scooter Braun.

... Bieber was soon signed to Raymond Braun Media Group (RBMG), a joint venture between Braun and Usher, and then to a recording contract with Island Records offered by L.A. Reid.

Island Records was founded by jew Chris Blackwell.

And of course there of hundred of other jew in the media and entertainment industry telling us how talented gaga and bieber.

[ame="http://en.wikipedia.org/wiki/Def_Jam_Recordings"]Def Jam Recordings[/ame]
[ame="http://en.wikipedia.org/wiki/Interscope_Records"]Interscope Records[/ame]
[ame="http://en.wikipedia.org/wiki/Cherrytree_Records"]Cherrytree_Records[/ame]
[ame="http://en.wikipedia.org/wiki/Scooter_Braun"]Scooter Braun[/ame]
[ame="http://en.wikipedia.org/wiki/Island_Records"]Island Records[/ame]