Celebrity Sarah Hyland 'Cheerful' at First Public Appearance Since Obtaining Restraining Order Against Ex "She looked like she was having a great time," a source tells PEOPLE By Melody Chiu Melody Chiu Instagram Twitter Melody Chiu is a Senior Editor for PEOPLE. She has been with the brand since 2009, editing, writing and reporting across all entertainment verticals. She oversees PEOPLE's music and events coverage and has written cover stories on Taylor Swift, Selena Gomez, Melissa McCarthy, Blake Shelton and Sandra Oh. The Los Angeles native graduated from the University of Southern California and has appeared on Extra!, The Talk, Access Hollywood and Good Morning America. People Editorial Guidelines Published on September 29, 2014 03:15 PM Share Tweet Pin Email Photo: Frederick M. Brown/Getty Sarah Hyland isn’t letting her personal life get her down. Stepping out publicly for the first time since news broke that she obtained a temporary restraining order against her ex-boyfriend Matt Prokop, the Modern Family actress was all smiles as she partied with friends at the Teen Vogue Young Hollywood party on Friday. “Her mood was cheerful,” an onlooker tells PEOPLE. “She looked like she was having a great time dancing and mingling with friends.” One of the last to leave the party, Hyland, 23, showed off her patterned Donna Karan runway dress to friends and was spotted snapping pictures with pals. She also mingled with her TV siblings Ariel Winter and Nolan Gould before heading out for the night. In court documents filed on Sept. 19, the actress alleged that Prokop, 24, verbally abused her and exhibited violent behavior throughout their five-year relationship. “We love Sarah, and that’s the biggest thing,” Winter told reporters on the carpet about supporting her onscreen big sister. Want more stories like this? Sign up for our newsletter and other special offers: sign me up Thank you for signing up!