Celebrity tattoos -- When a celebrity has lost touch with reality, there are signs.

Sometimes it's getting behind the wheel after too many drinks and not enough panties. Sometimes it's agreeing to co-star with Kevin Costner, assured that this flick is definitely the comeback. Yet with the folks we've gathered here, the inability to gauge right from wrong is as plain as the ink on their face, or thigh or navel.

Behold Ashlee Simpson, who recently tattooed an enormous permanent corsage on her wrist.

She didn't even make our countdown of the 20 Worst Celebrity Tattoos Ever.

Who did we miss? Let us know.

Amanda Seyfried -- Todays Crush

    Attending the premiere of "Mamma Mia!" at the Ziegfeld Theatre in New York City.

    Jim Spellman, WireImage.com

    Shown on the cover of a poster for "Mamma Mia!" the movie.

    Stephen Lovekin, Getty Images

    Plays Sophie in "Mamma Mia!"

    Universal

    As Sophie in "Mamma Mia!" alongside her character's mother played by Meryl Streep.

    Universal

    As Karen in "Mean Girls".

    Paramount

    At Kari Feinstein's Style Lounge.

    John Sciulli, WireImage.com

    As Samantha in "Nine Lives".

    Magnolia Pictures

    Attending the Los Angeles premiere of "Alpha Dog".

    L. Cohen, WireImage.com

    As Julie Beckley in "Alpha Dog".

    Universal

    Attending the Los Angeles Premiere of "Thief."

    Jesse Grant, WireImage.com