The 'Jealous' singer broke his silence on the break up during an interview with E! News, saying everything was amicable and he had nothing but good wishes to send to his ex-girlfriend.
He said: "I wish the best for her in the future and we had a great two years."
Nick and former Miss Universe winner Olivia have not publicly commented on the reason for their split but sources have suggested their busy schedules played a part.
Former Jonas Brother Nick has been jetting all over the world in recent months to promote his solo career, which has spawned the smash hit single 'Jealous'.
He has a busy year coming up which includes his own tour, holding a special event in London for UK fans, opening for Maroon 5 on their world tour and for Kelly Clarkson on her 'Piece By Piece' Tour.