Rihanna just can't seem to hold it in...literally. RiRi had a wardrobe malfunction at one of her recent concerts...and she risked another in Paris this week.

Rihanna, 25, turned heads in Paris with her risqué outfit for a cocktail party. RiRi was going to designer Azzedien Alaia's soiree, and she chose a designer outfit to match...with the usual Rihanna curve-hugging flare.

The outfit plunged deeply at the neckline, risking a wardrobe malfunction.

 The red jumpsuit was paired with a snakeskin clutch...oh, and a pair of breasts.

Rihanna arrived with assistant and BFF Melissa Forde, who wore a black version of the same outfit. Twinsies!

When Rihanna sat down, though, the outfit gaped open, revealing a fair bit of skin. She managed to keep it in...but just barely.

However, at a recent concert in Istanbul, Turkey, RiRi had a genuine wardrobe malfunction. Yup, yet another one. The "Diamonds" singer was on stage May 30 and wearing a sheer skirt over a bikini top, hot pants, and thigh-high boots. And if that wasn't revealing enough, the photos taken by papparazi underneath the stage are at an angle she probably didn't anticipate...and reveal skin she probably didn't mean to reveal.

The pics reveal a bikini wax (supposedly, Rihanna loves the pain)...and show a bit of her famous derriere as well.

Rihanna's currently on tour in Europe....and we have a feeling we'll see some more wardrobe malfunctions as the shows progress. Stay tuned.