Katy Perry and Russell Brand are hoping their love is permanent -- because their matching tattoos certainly are.
The sexy singer flashed her new ink Tuesday in New York while performing on top of a car to promote the new 2011 Volkswagen Jetta.
Raising her arms over her head, Perry revealed a Sanskrit tattoo identical to the one Brand showed off this month on the cover of Rolling Stone Magazine.
The inscription, which reads Anuugacchati Pravaha, is said to mean Go with The Flow.
The lovebirds aren't the only ones showing their affection through body art. Miley Cyrus just added to her tattoo collection by getting the word 'LOVE' inscribed inside of her ear, a possible nod to her Australian boyfriend, Liam Hemsworth, who she has been gushing about since 2009.
Even Megan Fox, who just announced her engagement to Brian Austin Green, is sporting a telltale tattoo - the brunette bombshell says she went under the needle to pay tribute to Mickey Rourke.
"I actually got a tattoo that is sort of in honour of him," she told MTV.com. "I just love him very much and think he's very special."
Fox's tattoo is said to read, "Those who danced were thought to be insane by those who could not hear the music" and comes from a quote by poet Angela Monet.
Tight-lipped celebrities regularly use their body ink to speak for them. In April reports swirled that rumored couple Avril Lavigne and Brody Jenner had confirmed their relationship with matching tattoos, though pictures never surfaced.
But sometimes tattoos can last longer than relationships. In 2008, rollercoaster couple Lindsay Lohan and Samantha Ronson reportedly got matching black heart tattoos to affirm their commitment to each other, though their love affair ultimately came to an explosive end.
Britney Spears and ex-husband Kevin Federline were photographed sporting matching dice tattoos on their arms -- pink for her, blue for him -- before they ended up battling it out in divorce court.
And Angelina Jolie, queen of relationship ink, has had to etch over plenty of past decisions.
Before she and Billy Bob Thornton exchanged tattoos of each other's names, Jolie and first husband Johnny Lee Miller reportedly had matching Japanese characters inscribed.
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