The High School Musical star was spotted wearing her huge square cut gem while hanging in LA alongside her new fiancé.
Ashley accepted the Annie Automatic musician’s proposal on Thursday after he popped the question on top of the Empire State Building.
The Tiz expressed her excitement and appreciation on Twitter Monday, writing:
Thank you guys for all your well wishes. Means so much to me. We’re so grateful and excited. #imthehappiestgirlintheworld
— Ashley Tisdale (@ashleytisdale) August 13, 2013