Britney Spears is pictured arriving at a children's dance studio in Malibu today with son Sean Preston. Britney, wearing a see through black top and a pair of denim jeans, entered via the back door for what was rumoured to have been a special appearance and performance to help raise funds for the school. Britney is seen departing in a green tshirt that says "Free To Be" and a pair of red trackpants after the performance. A local clothing store presented Britney with a selection of trendy t-shirts for Sean Preston before she left. Click the picture below to access the entire set in the gallery.