Cheryl makes rare appearance as she reunites with Girls Aloud's Nicola Roberts at event

Nicola Roberts cuts a stylish figure after confirming new romance with boyfriend Mitch Hahn

Cheryl dons a plunging black top as she reunites with Girls Aloud's Nicola Roberts at press night

What is wrong with Nicola in Emmerdale? Why was she attacked and is she suffering from PTSD?