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Ryan Tedder has worked with just about anyone who’s anyone when it comes to pop, so to receive any acclaim from the unstoppable hitmaker really is praise indeed – which is why Taylor Swift and Ariana Grande must be blushing into their mufti-platinum discs after the One Republic star praised them both as being the two “fastest” pop stars on the planet.

Obviously by that he doesn’t mean on the racecourse but in fact good old Swifty really does live up to her surname as the “fastest songwriter” the super producer has had the pleasure of working with, while Ariana is the “fastest singer”.

 Taylor Swift recieves the highest praise from Ryan tedder (FayesVision/WENN)

Yup, turns out both pop princesses are more efficient when it comes to their craft than superstar divas including Beyonce, Kelly Clarkson and even British goddess Adele according to the singer songwriter who popped by KIIS FM earlier to dish out his highest praise for the duo. “I was in with Ariana a few days ago,” the ‘Counting Stars’ hitmaker revealed.

“She is one of the fastest singers I’ve EVER heard in my life and is just amazing. We knocked out two songs in a day. I did a little stuff with Taylor, who is probably the fastest songwriter I’ve ever met in my life.

Ryan Tedder names Ariana Grande the “fastest” singer he’s ever worked with (Apega/WENN)

“Taylor is genuinely the quickest songwriter. For anyone who doubts it, she writes her own stuff…. Any idea you’re like, ‘Yeah I don’t know if I like that lyric,’ she has three options to replace it within 10 seconds. She is like bam bam bam. She’s a bit of a prodigy, a bit of a songwriting prodigy.”

Well we all knew that Ryan!

Meanwhile Ryan is currently on tour with his One Republic band mates as they travel across Europe in support of their latest album ‘Native’. They’ll be stopping by the UK next month kicking off in London’s Roundhouse.

Grammys 2014: Madonna, Taylor Swift, Katy Perry, Ariana Grande And More Stun On The Red Carpet
Madonna and son David Banda hit the red carpet at the 2014 Grammy awards (Fame Flynet UK)