ghd’s latest 2-in-1 hair styler has just dropped to plenty of hype, and our OK! head of beauty Zoe has put the Duet Blowdry to the test on her hair. Here are her before and afters ghd’s latest 2-in-1 hair styler has just dropped to plenty of hype, and our OK! head of beauty Zoe has put the Duet Blowdry to the test on her hair. Here are her before and afters Lifestyle