The Big Apple's winter chill had nothing on Sandra Bullock's maternal warmth as she cradled baby Louis in her arms on Thursday.

Last October, the superstar mom and her son were spotted out in markedly warmer climes, catching rays on a beach in the Caribbean.

More recently, Sandra's been seen with another fella -- her 'Proposal' pal Ryan Reynolds. The two friends were spotted celebrating the New Year with buddies at Sandra's restaurant Bess Bistro in Texas.

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