None of his fellow Twilight cast members attended, but Kristen Stewart surprised fans by showing up right behind Rob in a pair of sexy gold pants.
The future of their romance remains uncertain, but we're taking a look at the many milestones of their time together.
Long-time couple Robert Pattinson and Kristen Stewart's relationship was rocked last week when photos of Kristen kissing her Snow White and the Huntsman director Rupert Sanders surfaced.
Kristen and Rupert both released statements apologising for their actions.
Robert Pattinson and Kristen Stewart got playful in the MTV Video Music Awards press room in LA just two months before their big screen debut as Edward and Bella in Twilight. Kristen Stewart and Robert Pattinson's chemistry was obvious on the small screen and in front of photographers during a press stop in Tokyo while promoting Twilight.
But in April, Kristen's boyfriend Michael Angarano visited her in Vancouver during filming.I still think there are very few girls in her class that are as good as she is." The November issue of British GQ hit newsstands with quotes from Kristen Stewart calling Robert Pattinson her "boyfriend" for the first time.