News Bristol Palin Celebrates Her 7-Year-Old Son Tripp's First Day of School With Sweet Instagram Pic By Latifah Muhammad 8:58 PM PDT, August 17, 2016 Instagram Bristol Palin's son, Tripp, is officially in the second grade! The 25-year-old mom of two commemorated Tripp's first day of school with a precious Instagram post on Monday. "First day of 2nd grade for my babes!! and first time I’ve seen Tripp in jeans all summer," Palin captioned a sweet pic of her standing with her 7-year-old son Tripp and brother, Trigg, who is also 7.View this post on InstagramA post shared by Bristol Palin (@bsmp2) NEWS: Bristol Palin Shields Her Kids for Happy Father's Day Message: There Have Been 'Too Many Creeps' Palin also Instagrammed a couple new pics of her husband, Dakota Meyer, and their 8-month-old daughter Sailor Grace.In a "chunkalicious" post from Monday, Sailor Grace sits smiling in her car seat, while another sweet pic shows the baby happily seated on her father’s shoulders."Hit the jackpot," Palin wrote next to the daddy-daughter shot.View this post on InstagramA post shared by Bristol Palin (@bsmp2) MORE: Bristol Palin's Husband Dakota Meyer Calls for Donald Trump Apology Aside from marking Tripp's first day of school, the Alaska native has recently been celebrating married life. She tied the knot with Meyer this past June.See more on the surprise wedding the video below.EXCLUSIVE: Bristol Palin Marries Ex Dakota Meyer in Secret Wedding: See the Photos! This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.