It looks to be official.
Schwarzenegger, a student at USC, even had his new girl decked out in Trojans gear as the two locked lips.
Read: Miley Cyrus and Liam Hemsworth Call Off Engagement
The couple, both 21, looked very comfortable together, so much so that Schwarzenegger looks to be multi-tasking and texting while kissing his famous new flame.
The union seems to be fated for the son of the great actor Arnold Schwarzenegger and the "Bangerz" singer.
Back in 2011, the 21-year-old model actually told Details magazine his eyes were "set on Miley."
Looks like Schwarzenegger knows what he wants and goes after it. The two have been romantically linked since earlier this month.