'I thought we would end up married...' These are the stars who ended up in the friend zone

The term "friend zone" was coined in an episode of the classic 1990s sitcom 'Friends', when Ross Geller (David Schwimmer) declared that Joey Tribbiani (Matt Le Blanc) was the "mayor of the friend zone" when it came to his relationship with Rachel Green (Jennifer Aniston) because she wanted things to be completely platonic between them. Almost 30 years later, the term is part of the lexicon, and here are 10 celebs who fell firmly into that category...