updated:
Miranda Cosgrove, Carly from icarly, has appeared on BTR for their Christmas special as well as Snoop Dogg and Fabio.
No. icarly have never been on any Big Time Rush TV shows yet but James from Big Time Rush have been on one of icarly's shows.
Big Time Rush. <3
Icarly and big time rush and victories seing together
yes
Kind of because they have a icarly fannboy and chumchum and big time rush. From charlie
James Maslow from Big Time Rush played Freddie's friend Shane on the show iCarly.
Big Time Rush, iCarly & obviously Spongebob Squarepants
The casts from Victorious, iCarly, Big Time Rush and the new 2012 show, How to Rock.
Miranda Cosgrove (iCarly and Drake & Josh), the members of Big Time Rush, and the Naked Brothers Band.
They were on iCarly well James was. I don't remember which one the other guys were in I've seen but don't remember. To add on, Carlos (who was really young at the time) was on Ned's Declassified
for trying out for iCarly and luckily he got the part then the producers of "B.T.R" (Big TIme Rush) Disc0overd Him And Gave Him The Part
Drew Roy hasn't been in Big Time Rush so far. But there's nothing saying that he won't be in later episodes as a guest star. However, Drew Roy has been on iCarly as Griffin in iDate a Bad Boy.
One Direction have not been on any of Big Time Rush's shows and don't plan to in future. 1D are going on ICarly on April 13th, it's already been recorded and thats the air date.