The sartorial highs and lows of the BFAs: Emma Watson and Tamsin Egerton get it spot on while Rihanna is a fashion flop

Tamsin Egerton (second left) and Emma Watson (centre left) offered a masterclass in red carpet dressing but Rihanna (far right), who chose to avoid clothes completely, just looked trashy. Others to get it right included Erin O'Connor (far left), while Rita Ora (centre right) and Courtney Love (second from right) joined Rihanna in the must try harder category..