A day after TMZ published photos of what it claimed was Justin Bieber allegedly smoking marijuana, the pop star Tweeted to his fans that he is "trying to be better," according to
Bieber, 18, also Tweeted, "Everyday growing and learning. Trying to be better. U get knocked down, u get up.[sic]"
In TMZ's photos, Bieber is shown holding what appears to be a cigarette wrapped in brown cigar paper.
TMZ claims the photos were snapped on Jan. 2, during a hotel party at Newport Beach.
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