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thanks to the both of you is the most popular phrase on the web.

Thanks to both of you 11,430,000 results on the web	thanks to the both of you 12,470,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	Now is as good a time as any to say thanks to both of you. I was late for my other job at Allimond and later now, thanks to the both of you. Earl Ingstad and I would like to thank both of you for your hospitality and kindness. My deepest thanks to both of you for a job well done. I have instructions from Trudy to thank both of you. I have already expressed my thanks to Mrs Gebhardt and I would like to thank both of them, and also of course Malcolm Harbour, and many others besides. That girl has a future now, thanks to both of you. Many thanks to both of you.

Thanks to both of you

11,430,000 results on the web

thanks to the both of you

12,470,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

Now is as good a time as any to say thanks to both of you.
I was late for my other job at Allimond and later now, thanks to the both of you.
Earl Ingstad and I would like to thank both of you for your hospitality and kindness.
My deepest thanks to both of you for a job well done.
I have instructions from Trudy to thank both of you.
I have already expressed my thanks to Mrs Gebhardt and I would like to thank both of them, and also of course Malcolm Harbour, and many others besides.
That girl has a future now, thanks to both of you.
Many thanks to both of you.