The 28-year-old actress, who was going through a tough time and remained silent on social media since November 10, posted her picture on Twitter in a knee-high skirt and matching top, reported E! Online.
"I'm loving Boutique Jules," Bynes wrote alongside the photo.
Bynes, who was under medication from past few months after she showed plenty of questionable behaviour like tweeting inappropriate messages and sleeping at a local mall, has shown a lot of improvement.
She has been living a more simpler and private life now and has stopped going to nightclubs or late-night parties.