Chloe Sevigny joins Sinisa Mackovic to take their three-month-old son Vinjay for a stroll

Chloe Sevigny makes motherhood look chic for masked walk with partner Sinisa Mačković and baby Vanja

Chloe Sevigny and rumored fiancé Siniša Mackovic stroll with 8-week-old son Vanja in NYC downpour