The Daily Telegraph reports that the 19-year-old actor found the scenes "incredibly awkward", as they were filmed on their first day of shooting.
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Cyrus, however, revealed herself to be less nervous, telling The Sun that her co-star was "gorgeous" and that things "could be worse" than getting to kiss him on screen.
The 19-year-old former star of Hannah Montana also recently stressed the importance of teaching children that "sex is a beautiful thing".
Booth, who recently found fame in the BBC's Christmas adaptation of Great Expectations, has spoken highly of his co-star, claiming: "Miley is great."
However, the actor claims that he hasn't gone as far as to start listening to her records, stating: "It's not the kind of music I would listen to, but I know that it is very popular."
LOL is out on general release now.
Watch the trailer for the film below:
