Despite their differences - one is known for her promiscuity and haughty attitude, the other for her innocence and charm - we can't choose between Lindsay Lohan and Ashley Tisdale.
Therefore, we'd like to wish a happy birthday to each of these young celebrities!
The photos of each below nicely sums up their contrasting reputations. First, a shot of Lohan (newly 23 years old), trying to look seductive on the beach:
As for Ashley Tisdale: what a cutie!
Here's the 22-year old birthday girl, cradling her adorable puppy: