Helena Bonham Carter was giving her five year-old son Billy Ray and a pal a lesson in a green mode of getting around this week .
The actress partner of Sweeney Todd director Tim Burton, who had sensibly donned a pair of modesty saving bloomers under her cotton frock, provided the pedal power to ferry the pair around North London in a rickshaw-like tricycle.
Forty-two-year-old Helena also has a one-year-old daughter named Nell with her filmmaker partner. The family split their time between two adjoining houses which are connected by a hallway in Belsize Park.
Photo: ę Rex
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