The couple were attending the USC Trojans football game against the California Golden Bears at the Los Angeles Memorial Coliseum, reported Ace Showbiz.
In some pictures, Patrick was seen carrying his cellphone to capture the heavy PDA on selfies. In one of the pictures, Cyrus was seen wrapping her arm around Patrick as they shared a kiss.
In another picture, Cyrus laid her head on Patrick's shoulder while they were posing for a selfie.
Arnold Schwarzenegger's son first revealed his crush on Cyrus back in 2011.