"We've been completely captivated & swept off our feet in love with our precious baby girl, we haven't gotten around to introductions. Please meet our little beauty, Rell Jaymes Leopold," Tenley, 36, captioned a family photo.
"We are soooo in love, she's absolute perfection. Now here comes the baby spam and all the story telling!"
Tenley gave birth on Sunday, September 20 at 4:08AM and her baby was born weighing six pounds and 14 ounces, Us Weeklyreported.
After Tenley her daughter's arrival on Instagram, comments of love and support poured in from members of Bachelor Nation.
"What a beautiful family!! Congrats, Tenley!!" wrote Jade Roper.
"SHES SO BEAUTIFUL!!!" gushed Carly Waddell. "Just like her mama!!!! Congratulations!!!!"
Arie Luyendyk Jr. wrote, "Congrats!!! So dang cute," and Trista Rehn commented, "BEAUTIFUL!!!!!!! Congratulations mama!! Can't wait to meet her one day! Xoxo."
Desiree Hartsock also expressed how "happy" she is for Tenley and Taylor, adding, "She's precious and love her name. Enjoy these special moments."
The baby's middle name Jaymes represents both of Rell's grandfathers. Taylor's father is name Jay and Tenley's dad is named Robert James.
Tenley shared her big news on Instagram at the time by posting three photos with Taylor that showed off her small baby bump.
"We can't hold this magical little secret in anymore!! Baby Leopold will be joining us in September!" Tenley captioned the slideshow, which featured Tenley looking gorgeous in a long, white dress as well as a strip of ultrasound photos.
"We've already been having a ton of fun with our little sidekick joining us on memorable worldwide adventures, and now keeping us hopeful in 'Quarantine life.'"
Tenley continued by writing, "We pray that this special bit of news brings a little bit of joy & hope during a time of chaos and uncertainty our world is facing right now. And to any longing, & hopeful hearts, our hearts are with you, and prayers are for you. God's plans are always greater than we can ever imagine! Ephesians 3:20."
As for Taylor, he wrote on his own Instagram account that he was "super excited to bring a quarentennial into this world!!"
"Baby Leopold coming in hot!!!" he gushed. "Beyond excited to enter this stage of life with the most wonderful person @tenleymolzahn. I too have been growing, I'm up 6 lbs 10 oz."
Tenley and her husband announced they had a baby girl on the way in May.
Tenley and Taylor got engaged in January 2018 after two years of dating and wasted no time tying the knot. They enjoyed a wedding ceremony in April 2018 right outside of San Diego, CA.
Tenley met the love of her life through a mutual friend who attended the same church as Taylor.
After dating the product-line manager for a sandal company for only three weeks, Tenley gushed about how she was "going to marry him."
Tenley revealed she was dating a new guy -- and that she was "crazy" about him -- in early February 2016.
Tenley told Us of her "gorgeous" Taylor at the time, "His smile is just contagious. He's amazing, his heart is what got me. I had the best first date of my life with him and in that minute of just meeting him, I knew there was something really special about him."
Taylor was apparently unaware of Tenley's reality TV past when they began dating, which she saw as a big bonus.
"I think it's strange for him. He didn't know me from The Bachelor, which is really really cool," Tenley told Us at the time, adding that her man had no interest in watching old episodes of the ABC reality dating series.
After competing onBachelor Pad's first season and experiencing traumatic heartbreak from her 2014 split with longtime boyfriend Kiptyn Locke, Tenley decided to put herself out there again and join the second-season cast of Bachelor in Paradise.
The city girl fell in love with former The Bachelorette suitor Joshua Albers in Paradise; however, she didn't think she could make a long-distance relationship work with him. Due to their different lifestyles, Tenley called it quits with the Idaho welder on the last day of filming.
"I'm not ashamed of anything I've ever done. I'm proud of myself and what I've learned and gained from it," Tenley previously told the magazine.