Brittany Snow was spotted walking her little dog Billie in Los Angeles on Saturday – three days after filing for divorce from Tyler Stanaland.According to court documents obtained by TMZ, the 36-year-old Pitch Perfect star cited irreconcilable differences as the reason for her split from Stanaland, 33, when she filed her petition on Wednesday.And while Brittany was walking her terrier mix in California, Tyler has allegedly been spending time in Dubai with his Selling The OC co-star, and rumored new girlfriend, Alex Hall, 34. First sighting since filing: Brittany Snow, 36, was spotted walking her little dog Billie in Los Angeles on Saturday – three days after filing for divorce from Tyler Stanaland, 33Clad in black, Snow sported a Yankees ball cap and light blue sneakers as she walked her adorable rescue dog. The John Tucker Must Die star plugged her ears with AirPods and shaded her eyes with aviators.Bundled up for winter, Brittany draped herself in a pitch-black coat and matching leggings. The actress carried a large black tote bag and carried little Billie – full name Billie Jean September Snow – across the street at one point. Under the radar: Clad in black, the John Tucker Must Die star sported a Yankees ball cap and light blue sneakers as she walked her adorable rescue dog During an interview with TODAY in 2019, Brittany gushed about Billie's 'unbreakable bond' with Stanaland, her then-fiancé. 'They do everything together,' said Snow. 'She waits by the door for him when he takes out the trash.