Miley Cyrus Goes to Town on Birthday Penis Cake

Miley Cyrus penis cake photoMiley Cyrus celebrated her boyfriend Liam”s birthday last weekend by licking a birthday cake that would make most men feel … just plain inadequate.

The massive phallic confection was rolled out Saturday night at Club Icon in Downtown L.A. — and 19-year-old Miley quickly jumped at the photo op … posing alongside the … well,  just click to see for yourself.

Liam probably wasn”t into blowing out the candles so we”re guessing Miley did the job for him.

Some party goers tell us … 19-year-old Miley was drinking alcohol and partying all night.

Calls to Miley”s reps were not returned.